build(deps): bump dependabot/fetch-metadata from 1.6.0 to 2.1.0

Bumps [dependabot/fetch-metadata](https://github.com/dependabot/fetch-metadata) from 1.6.0 to 2.1.0.
- [Release notes](https://github.com/dependabot/fetch-metadata/releases)
- [Commits](dependabot/fetch-metadata@c9c4182...5e5f996)

---
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>

.github/workflows/dependabot-build.yml

@@ -22,7 +22,7 @@ jobs:
     steps:
       - name: Fetch dependabot metadata
         id: dependabot-metadata
-        uses: dependabot/fetch-metadata@c9c4182bf1b97f5224aee3906fd373f6b61b4526 # v1.6.0
+        uses: dependabot/fetch-metadata@5e5f99653a5b510e8555840e80cbf1514ad4af38 # v2.1.0
         with:
           github-token: "${{ secrets.GITHUB_TOKEN }}"
   build-dependabot-changes: