Bump dependabot/fetch-metadata from 1 to 2 in /.github/workflows (#20)

Bumps [dependabot/fetch-metadata](https://github.com/dependabot/fetch-metadata) from 1 to 2.
- [Release notes](https://github.com/dependabot/fetch-metadata/releases)
- [Commits](https://github.com/dependabot/fetch-metadata/compare/v1...v2)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/autoupdate.yml

@@ -15,7 +15,7 @@ jobs:
       # will not occur.
       - name: "Dependabot metadata"
         id: "dependabot-metadata"
-        uses: "dependabot/fetch-metadata@v1"
+        uses: "dependabot/fetch-metadata@v2"
         with:
           github-token: "${{ secrets.GITHUB_TOKEN }}"
       # Here the PR gets approved.