Change Dependabot PR merge command to use admin flag

Author: max-ostapenko

.github/workflows/ci.yaml

@@ -58,7 +58,7 @@ jobs:
 
       - name: Enable auto-merge for Dependabot PRs
         if: steps.metadata.outputs.update-type == 'version-update:semver-patch' || steps.metadata.outputs.update-type == 'version-update:semver-minor' || steps.metadata.outputs.update-type == 'null'
-        run: gh pr merge --auto --squash "$PR_URL"
+        run: gh pr merge --admin --squash "$PR_URL"
         env:
           PR_URL: ${{github.event.pull_request.html_url}}
           GH_TOKEN: ${{secrets.GITHUB_TOKEN}}