refactor: simplify dependabot auto-merge workflow

Co-authored-by: molvqingtai <26295698+molvqingtai@users.noreply.github.com>

Author: Copilot

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

@@ -9,25 +9,8 @@ permissions:
   pull-requests: write
 
 jobs:
-  auto-approve:
-    runs-on: ubuntu-latest
-    if: github.actor == 'dependabot[bot]'
-    steps:
-      - name: Dependabot metadata
-        id: metadata
-        uses: dependabot/fetch-metadata@v2
-        with:
-          github-token: '${{ secrets.GITHUB_TOKEN }}'
-
-      - name: Approve PR
-        run: gh pr review --approve "$PR_URL"
-        env:
-          PR_URL: ${{ github.event.pull_request.html_url }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
   auto-merge:
     runs-on: ubuntu-latest
-    needs: auto-approve
     if: github.actor == 'dependabot[bot]'
     steps:
       - name: Dependabot metadata
@@ -37,7 +20,9 @@ jobs:
           github-token: '${{ secrets.GITHUB_TOKEN }}'
 
       - name: Enable auto-merge for minor and patch updates
-        if: steps.metadata.outputs.update-type == 'version-update:semver-minor' || steps.metadata.outputs.update-type == 'version-update:semver-patch'
+        if: |
+          steps.metadata.outputs.update-type == 'version-update:semver-minor' || 
+          steps.metadata.outputs.update-type == 'version-update:semver-patch'
         run: gh pr merge --auto --squash "$PR_URL"
         env:
           PR_URL: ${{ github.event.pull_request.html_url }}