add bump-formula-pr workflow jobs

.github/workflows/bump-formula-pr.yml

@@ -0,0 +1,44 @@
+name: bump-formula-pr
+on:
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+  push:
+    tags:
+      - 'v*'
+jobs:
+  homebrew-core:
+    name: homebrew-core 
+    runs-on: macos-latest
+    steps:
+    - name: Update Homebrew formula
+      uses: dawidd6/action-homebrew-bump-formula@v3
+      with:
+        # Required, custom GitHub access token with the 'public_repo' and 'workflow' scopes
+        token: ${{secrets.HOMEBREW_FORMULA_GH_TOKEN}}
+        # Formula name, required
+        formula: grafana-agent
+        # Optional, will be determined automatically
+        tag: ${{github.ref}}
+        # Optional, will be determined automatically
+        revision: ${{github.sha}}
+        # Optional, if don't want to check for already open PRs
+        force: false # true
+  homebrew-grafana:
+    name: homebrew-grafana 
+    runs-on: macos-latest
+    steps:
+    - name: Update Homebrew formula
+      uses: dawidd6/action-homebrew-bump-formula@v3
+      with:
+        # Required, custom GitHub access token with the 'public_repo' and 'workflow' scopes
+        token: ${{secrets.HOMEBREW_FORMULA_GH_TOKEN}}
+        # Optional, defaults to homebrew/core
+        tap: grafana/grafana 
+        # Formula name, required
+        formula: grafana-agent
+        # Optional, will be determined automatically
+        tag: ${{github.ref}}
+        # Optional, will be determined automatically
+        revision: ${{github.sha}}
+        # Optional, if don't want to check for already open PRs
+        force: false # true