Move auto-merge to separate workflow

.github/workflows/auto-merge.yml

@@ -0,0 +1,29 @@
+name: Dependabot auto-merge
+
+on:
+  pull_request:
+    branches:
+    - master
+
+permissions:
+  issues: write
+  pull-requests: write
+
+jobs:
+  auto-merge:
+    runs-on: ubuntu-latest
+    if: github.actor == 'dependabot[bot]'
+    steps:
+      - name: Dependabot metadata
+        id: dependabot-metadata
+        uses: dependabot/fetch-metadata@v1
+        with:
+          github-token: '${{ secrets.GITHUB_TOKEN }}'
+      - name: Enable auto-merge for Dependabot PRs
+        if: contains(fromJSON('["version-update:semver-patch", "version-update:semver-minor"]'), steps.dependabot-metadata.outputs.update-type)
+        run: |
+          gh pr review --approve "$PR_URL"
+          gh pr merge --auto --squash "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

.github/workflows/ci.yml

@@ -31,29 +31,6 @@ jobs:
         name: build
         path: ./public
 
-  dependabot:
-    name: Dependabot Auto-Merge
-    needs: build
-    runs-on: ubuntu-latest
-    permissions:
-      issues: write
-      pull-requests: write
-    if: ${{ github.actor == 'dependabot[bot]' && github.event_name == 'pull_request'}}
-    steps:
-      - name: Dependabot metadata
-        id: dependabot-metadata
-        uses: dependabot/fetch-metadata@v1
-        with:
-          github-token: '${{ secrets.GITHUB_TOKEN }}'
-      - name: Enable auto-merge for Dependabot PRs
-        if: contains(fromJSON('["version-update:semver-patch", "version-update:semver-minor"]'), steps.dependabot-metadata.outputs.update-type)
-        run: |
-          gh pr review --approve "$PR_URL"
-          gh pr merge --auto --squash "$PR_URL"
-        env:
-          PR_URL: ${{github.event.pull_request.html_url}}
-          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
-
   deploy:
     needs: build
     name: Deploy to GitHub Pages