ci: bump dependabot/fetch-metadata from 2.5.0 to 3.0.0

Bumps [dependabot/fetch-metadata](https://github.com/dependabot/fetch-metadata) from 2.5.0 to 3.0.0.
- [Release notes](https://github.com/dependabot/fetch-metadata/releases)
- [Commits](https://github.com/dependabot/fetch-metadata/compare/21025c705c08248db411dc16f3619e6b5f9ea21a...ffa630c65fa7e0ecfa0625b5ceda64399aea1b36)

---
updated-dependencies:
- dependency-name: dependabot/fetch-metadata
  dependency-version: 3.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

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

@@ -36,7 +36,7 @@ jobs:
     steps:
       - name: Fetch Dependabot metadata
         id: metadata
-        uses: dependabot/fetch-metadata@21025c705c08248db411dc16f3619e6b5f9ea21a
+        uses: dependabot/fetch-metadata@ffa630c65fa7e0ecfa0625b5ceda64399aea1b36
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}