ci: add semver filtering to Dependabot auto-merge (patch/minor only)

Author: ancongui

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

@@ -17,13 +17,15 @@ jobs:
         with:
           github-token: "${{ secrets.GITHUB_TOKEN }}"
 
-      - name: Approve PR
+      - name: Approve patch and minor updates
+        if: steps.metadata.outputs.update-type == 'version-update:semver-patch' || steps.metadata.outputs.update-type == 'version-update:semver-minor'
         run: gh pr review --approve "$PR_URL"
         env:
           PR_URL: ${{ github.event.pull_request.html_url }}
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Auto-merge PR
+      - name: Auto-merge patch and minor updates
+        if: 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 }}