feat: add GitHub action to generate supported plugins PR

.github/workflows/generate-supported-plugins-pr.yml

@@ -0,0 +1,36 @@
+name: Generate update PR for the Dynamic Plugins tables
+
+on:
+  workflow_dispatch:
+    inputs:
+      branch:
+        description: "Branch to run the script from"
+        required: true
+        default: "main"
+
+jobs:
+  run-script:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.inputs.branch }}
+          fetch-depth: 0
+
+      - name: Set up Git user
+        run: |
+          git config --global user.name "github-actions[bot]"
+          git config --global user.email "github-actions[bot]@users.noreply.github.com"
+
+      - name: Run the script on branch
+        run: bash modules/dynamic-plugins/rhdh-supported-plugins.sh -b ${{ github.event.inputs.branch }}
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v6
+        with:
+          commit-message: "chore: automated update of supported plugins list"
+          title: "Automated update of supported plugins list for ${{ github.event.inputs.branch }}"
+          body: "This PR was automatically generated by running rhdh-supported-plugins.sh."
+          branch: "update-${{ github.event.inputs.branch }}-$(date +%Y%m%d%H%M)"
+          base: ${{ github.event.inputs.branch }}