build(deps): bump dependabot/fetch-metadata in the github-actions group

Bumps the github-actions group with 1 update: [dependabot/fetch-metadata](https://github.com/dependabot/fetch-metadata).


Updates `dependabot/fetch-metadata` from 2.0.0 to 2.5.0
- [Release notes](https://github.com/dependabot/fetch-metadata/releases)
- [Commits](dependabot/fetch-metadata@0fb2170...21025c7)

---
updated-dependencies:
- dependency-name: dependabot/fetch-metadata
  dependency-version: 2.5.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/auto-merge.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Dependabot metadata
         if: ${{ github.actor == 'dependabot[bot]' }}
         id: metadata
-        uses: dependabot/fetch-metadata@0fb21704c18a42ce5aa8d720ea4b912f5e6babef
+        uses: dependabot/fetch-metadata@21025c705c08248db411dc16f3619e6b5f9ea21a
         with:
           github-token: "${{ secrets.GITHUB_TOKEN }}"