Remove iron workflows (#1834)

(cherry picked from commit 9997023)

# Conflicts:
#	.github/dependabot.yml
#	.github/workflows/iron-debian-build.yml
#	.github/workflows/iron-rhel-binary-build.yml
#	ros2_control-not-released.foxy.repos
#	ros2_control.foxy.repos

.github/dependabot.yml

@@ -0,0 +1,20 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    # Workflow files stored in the
+    # default location of `.github/workflows`
+    directory: "/"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "github-actions"
+    # Workflow files stored in the
+    # default location of `.github/workflows`
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    target-branch: "humble"

.github/workflows/README.md

@@ -3,5 +3,4 @@ ROS2 Distro | Branch | Build status | Documentation | Released packages
 :---------: | :----: | :----------: | :-----------: | :---------------:
 **Rolling** | [`master`](https://github.com/ros-controls/ros2_control/tree/master) | [![Rolling Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/rolling-binary-build.yml/badge.svg?branch=master)](https://github.com/ros-controls/ros2_control/actions/workflows/rolling-binary-build.yml?branch=master) <br /> [![Rolling Semi-Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/rolling-semi-binary-build.yml/badge.svg?branch=master)](https://github.com/ros-controls/ros2_control/actions/workflows/rolling-semi-binary-build.yml?branch=master)  <br /> [![Rolling Source Build](https://github.com/ros-controls/ros2_control/actions/workflows/rolling-source-build.yml/badge.svg?branch=master)](https://github.com/ros-controls/ros2_control/actions/workflows/rolling-source-build.yml?branch=master) <br/> [![Debian Rolling Source Build](https://github.com/ros-controls/ros2_control/actions/workflows/rolling-debian-build.yml/badge.svg)](https://github.com/ros-controls/ros2_control/actions/workflows/rolling-debian-build.yml) <br/> [![RHEL Rolling Semi-Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/rolling-rhel-binary-build.yml/badge.svg)](https://github.com/ros-controls/ros2_control/actions/workflows/rolling-rhel-binary-build.yml) | [Documentation](https://control.ros.org/master/index.html) <br /> [API Reference](https://control.ros.org/master/doc/api/index.html) | [ros2_control](https://index.ros.org/p/ros2_control/#rolling)
 **Jazzy** | [`master`](https://github.com/ros-controls/ros2_control/tree/master) | [![Jazzy Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/jazzy-binary-build.yml/badge.svg?branch=master)](https://github.com/ros-controls/ros2_control/actions/workflows/jazzy-binary-build.yml?branch=master) <br /> [![Jazzy Semi-Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/jazzy-semi-binary-build.yml/badge.svg?branch=master)](https://github.com/ros-controls/ros2_control/actions/workflows/jazzy-semi-binary-build.yml?branch=master)  <br /> [![Jazzy Source Build](https://github.com/ros-controls/ros2_control/actions/workflows/jazzy-source-build.yml/badge.svg?branch=master)](https://github.com/ros-controls/ros2_control/actions/workflows/jazzy-source-build.yml?branch=master) <br/> [![Debian Jazzy Source Build](https://github.com/ros-controls/ros2_control/actions/workflows/jazzy-debian-build.yml/badge.svg)](https://github.com/ros-controls/ros2_control/actions/workflows/jazzy-debian-build.yml) <br/> [![RHEL Jazzy Semi-Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/jazzy-rhel-binary-build.yml/badge.svg)](https://github.com/ros-controls/ros2_control/actions/workflows/jazzy-rhel-binary-build.yml) | [Documentation](https://control.ros.org/jazzy/index.html) <br /> [API Reference](https://control.ros.org/jazzy/doc/api/index.html) | [ros2_control](https://index.ros.org/p/ros2_control/#jazzy)
-**Iron** | [`iron`](https://github.com/ros-controls/ros2_control/tree/master) | [![Iron Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/iron-binary-build.yml/badge.svg?branch=master)](https://github.com/ros-controls/ros2_control/actions/workflows/iron-binary-build.yml?branch=master) <br /> [![Iron Semi-Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/iron-semi-binary-build.yml/badge.svg?branch=master)](https://github.com/ros-controls/ros2_control/actions/workflows/iron-semi-binary-build.yml?branch=master) <br /> [![Iron Source Build](https://github.com/ros-controls/ros2_control/actions/workflows/iron-source-build.yml/badge.svg?branch=master)](https://github.com/ros-controls/ros2_control/actions/workflows/iron-source-build.yml?branch=master) <br/> [![Debian Iron Source Build](https://github.com/ros-controls/ros2_control/actions/workflows/iron-debian-build.yml/badge.svg)](https://github.com/ros-controls/ros2_control/actions/workflows/iron-debian-build.yml) <br/> [![RHEL Iron Semi-Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/iron-rhel-binary-build.yml/badge.svg)](https://github.com/ros-controls/ros2_control/actions/workflows/iron-rhel-binary-build.yml) | [Documentation](https://control.ros.org/iron/index.html) <br /> [API Reference](https://control.ros.org/iron/doc/api/index.html) | [ros2_control](https://index.ros.org/p/ros2_control/#iron)
 **Humble** | [`humble`](https://github.com/ros-controls/ros2_control/tree/humble) | [![Humble Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/humble-binary-build.yml/badge.svg?branch=master)](https://github.com/ros-controls/ros2_control/actions/workflows/humble-binary-build.yml?branch=master) <br /> [![Humble Semi-Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/humble-semi-binary-build.yml/badge.svg?branch=master)](https://github.com/ros-controls/ros2_control/actions/workflows/humble-semi-binary-build.yml?branch=master)  <br /> [![Humble Source Build](https://github.com/ros-controls/ros2_control/actions/workflows/humble-source-build.yml/badge.svg?branch=master)](https://github.com/ros-controls/ros2_control/actions/workflows/humble-source-build.yml?branch=master) <br/> [![Debian Humble Source Build](https://github.com/ros-controls/ros2_control/actions/workflows/humble-debian-build.yml/badge.svg)](https://github.com/ros-controls/ros2_control/actions/workflows/humble-debian-build.yml) <br/> [![RHEL Humble Semi-Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/humble-rhel-binary-build.yml/badge.svg)](https://github.com/ros-controls/ros2_control/actions/workflows/humble-rhel-binary-build.yml) | [Documentation](https://control.ros.org/humble/index.html) <br /> [API Reference](https://control.ros.org/humble/doc/api/index.html) | [ros2_control](https://index.ros.org/p/ros2_control/#humble)

README.md

@@ -13,7 +13,6 @@ ROS2 Distro | Branch | Build status | Documentation | Released packages
 :---------: | :----: | :----------: | :-----------: | :---------------:
 **Rolling** | [`master`](https://github.com/ros-controls/ros2_control/tree/master) | [![Rolling Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/rolling-binary-build.yml/badge.svg?branch=master)](https://github.com/ros-controls/ros2_control/actions/workflows/rolling-binary-build.yml?branch=master) <br /> [![Rolling Semi-Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/rolling-semi-binary-build.yml/badge.svg?branch=master)](https://github.com/ros-controls/ros2_control/actions/workflows/rolling-semi-binary-build.yml?branch=master) | [Documentation](https://control.ros.org/master/index.html) <br /> [API Reference](https://control.ros.org/master/doc/api/index.html) | [ros2_control](https://index.ros.org/p/ros2_control/#rolling)
 **Jazzy** | [`master`](https://github.com/ros-controls/ros2_control/tree/master) | [![Rolling Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/jazzy-binary-build.yml/badge.svg?branch=master)](https://github.com/ros-controls/ros2_control/actions/workflows/jazzy-binary-build.yml?branch=master) <br /> [![Rolling Semi-Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/jazzy-semi-binary-build.yml/badge.svg?branch=master)](https://github.com/ros-controls/ros2_control/actions/workflows/jazzy-semi-binary-build.yml?branch=master) | [Documentation](https://control.ros.org/jazzy/index.html) <br /> [API Reference](https://control.ros.org/jazzy/doc/api/index.html) | [ros2_control](https://index.ros.org/p/ros2_control/#jazzy)
-**Iron** | [`iron`](https://github.com/ros-controls/ros2_control/tree/iron) | [![Iron Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/iron-binary-build.yml/badge.svg?branch=iron)](https://github.com/ros-controls/ros2_control/actions/workflows/iron-binary-build.yml?branch=iron) <br /> [![Iron Semi-Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/iron-semi-binary-build.yml/badge.svg?branch=iron)](https://github.com/ros-controls/ros2_control/actions/workflows/iron-semi-binary-build.yml?branch=iron) | [Documentation](https://control.ros.org/iron/index.html) <br /> [API Reference](https://control.ros.org/iron/doc/api/index.html) | [ros2_control](https://index.ros.org/p/ros2_control/#iron)
 **Humble** | [`humble`](https://github.com/ros-controls/ros2_control/tree/humble) | [![Humble Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/humble-binary-build.yml/badge.svg?branch=master)](https://github.com/ros-controls/ros2_control/actions/workflows/humble-binary-build.yml?branch=master) <br /> [![Humble Semi-Binary Build](https://github.com/ros-controls/ros2_control/actions/workflows/humble-semi-binary-build.yml/badge.svg?branch=master)](https://github.com/ros-controls/ros2_control/actions/workflows/humble-semi-binary-build.yml?branch=master) | [Documentation](https://control.ros.org/humble/index.html) <br /> [API Reference](https://control.ros.org/humble/doc/api/index.html) | [ros2_control](https://index.ros.org/p/ros2_control/#humble)
 
 [Detailed build status](.github/workflows/README.md)