Bump dependabot/fetch-metadata from 2.0.0 to 2.1.0

Bumps [dependabot/fetch-metadata](https://github.com/dependabot/fetch-metadata) from 2.0.0 to 2.1.0.
- [Release notes](https://github.com/dependabot/fetch-metadata/releases)
- [Commits](dependabot/fetch-metadata@v2.0.0...v2.1.0)

---
updated-dependencies:
- dependency-name: dependabot/fetch-metadata
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/automerge-dependabot.yaml

@@ -13,7 +13,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - name: Dependabot metadata
         id: metadata
-        uses: dependabot/fetch-metadata@v2.0.0
+        uses: dependabot/fetch-metadata@v2.1.0
       - name: Approve a PR
         run: gh pr review --approve "${{ github.event.pull_request.html_url }}"
         if: steps.metadata.outputs.version-update != 'version-update:semver-major'