Simplify Dependabot auto-merge workflow

Removed approval step for Dependabot PRs and kept auto-merge.

Author: anyulled

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

@@ -11,11 +11,6 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event.pull_request.user.login == 'dependabot[bot]'
     steps:
-      - name: Approve Dependabot PR
-        run: gh pr review --approve "$PR_URL"
-        env:
-          PR_URL: ${{github.event.pull_request.html_url}}
-          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
       - name: Enable auto-merge for Dependabot PRs
         run: gh pr merge --auto --squash "$PR_URL"
         env: