fix: renovate for github actions

.github/renovate.json

@@ -5,5 +5,14 @@
     "github>growse/renovate-template:automerge-minor-and-patch",
     "github>growse/renovate-template:automerge-github-actions",
     "github>growse/renovate-template:makefile-version"
+  ],
+  "regexManagers": [
+    {
+      "fileMatch": ["^\\.github/workflows/.+\\.yaml$"],
+      "matchStrings": [
+        "# renovate: datasource=(?<datasource>.*?) depName=(?<depName>.*?)( versioning=(?<versioning>.*?))?\\s.+: (?<currentValue>.*)"
+      ],
+      "versioningTemplate": "{{#if versioning}}{{{versioning}}}{{else}}semver{{/if}}"
+    }
   ]
 }

.github/workflows/make-deb-and-publish.yaml

@@ -1,6 +1,7 @@
 ---
 env:
   PACKAGE_NAME: promtail
+  # renovate: datasource=github-releases depName=grafana/loki
   PACKAGE_VERSION: v2.9.3
   PACKAGE_DESCRIPTION: "Promtail is an agent which ships the contents of local logs to a private Loki instance or Grafana Cloud. It is usually deployed to every machine that has applications needed to be monitored."
   APT_DEPENDENCIES: "git build-essential libsystemd-dev gccgo-aarch64-linux-gnu gccgo-arm-linux-gnueabi curl xz-utils"