Bump dependabot/fetch-metadata from 1.6.0 to 2.2.0

Bumps [dependabot/fetch-metadata](https://github.com/dependabot/fetch-metadata) from 1.6.0 to 2.2.0.
- [Release notes](https://github.com/dependabot/fetch-metadata/releases)
- [Commits](dependabot/fetch-metadata@v1.6.0...v2.2.0)

---
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/pr.yaml

@@ -52,7 +52,7 @@ jobs:
       contents: read
       pull-requests: write
     steps:
-      - uses: dependabot/fetch-metadata@v1.6.0
+      - uses: dependabot/fetch-metadata@v2.2.0
         id: dependabot-metadata
       - name: Approve patch and minor updates
         id: approve-patch-and-minor-updates