Don't auto-merge dependabot PRs

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

@@ -1,23 +0,0 @@
-name: "Dependabot auto-merge"
-
-on: [pull_request_target] # yamllint disable-line rule:truthy
-
-permissions:
-  contents: "write"
-
-jobs:
-  dependabot:
-    runs-on: "ubuntu-latest"
-    if: "${{ github.actor == 'dependabot[bot]' }}"
-    steps:
-      - name: "Dependabot metadata"
-        id: "metadata"
-        uses: "dependabot/[email protected]"
-        with:
-          github-token: "${{ secrets.GITHUB_TOKEN }}"
-      - name: "Enable auto-merge for Dependabot PRs"
-        if: "${{ steps.dependabot-metadata.outputs.update-type != 'version-update:semver-major' }}"
-        run: "gh pr merge --auto --merge \"$PR_URL\""
-        env:
-          PR_URL: "${{github.event.pull_request.html_url}}"
-          GITHUB_TOKEN: "${{secrets.GITHUB_TOKEN}}"