fix: Refactor auto-merge conditions for dependabot updates (#78)

Author: BenjaminMichaelis

.github/workflows/dependabot-auto-merge.yml

@@ -27,10 +27,16 @@ jobs:
           PR_URL: ${{ github.event.pull_request.html_url }}
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Enable auto-merge for patch and minor updates
+      - name: Enable auto-merge (always for GitHub Actions; patch/minor otherwise)
         if: |
-          steps.metadata.outputs.update-type == 'version-update:semver-patch' ||
-          steps.metadata.outputs.update-type == 'version-update:semver-minor'
+          steps.metadata.outputs.package-ecosystem == 'github-actions' ||
+          (
+            steps.metadata.outputs.package-ecosystem != 'github-actions' &&
+            (
+              steps.metadata.outputs.update-type == 'version-update:semver-patch' ||
+              steps.metadata.outputs.update-type == 'version-update:semver-minor'
+            )
+          )
         run: gh pr merge --auto --squash "$PR_URL"
         env:
           PR_URL: ${{ github.event.pull_request.html_url }}