Redirect issues to firebase-ios-sdk (#2)

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Firebase Data Connect
+    url: https://github.com/firebase/firebase-ios-sdk/issues/new/choose
+    about: Firebase Data Connect issues are tracked in the firebase-ios-sdk repository

.github/ISSUE_TEMPLATE/issue_report.md

@@ -0,0 +1,8 @@
+---
+name: 🐞 Internal Issue
+about: Googlers may file issues here or at https://github.com/firebase/firebase-ios-sdk/issues/new/choose
+---
+<!-- DO NOT DELETE
+validate_template=true
+template_path=.github/ISSUE_TEMPLATE/bug_report.md
+-->

.github/workflows/check.yml

@@ -34,7 +34,7 @@ jobs:
     - name: Setup check
       run: |
         brew update
-        brew install clang-format@18
+        brew install clang-format@19
         brew install mint
         mint bootstrap
 

README.md

@@ -146,7 +146,7 @@ GitHub Actions will verify that any code changes are done in a style-compliant
 way. Install `clang-format` and `mint`:
 
 ```console
-brew install clang-format@18
+brew install clang-format@19
 brew install mint
 ```