Bump dependabot/fetch-metadata from 1.5.1 to 1.6.0 (#4774)

Bumps [dependabot/fetch-metadata](https://github.com/dependabot/fetch-metadata) from 1.5.1 to 1.6.0.
- [Release notes](https://github.com/dependabot/fetch-metadata/releases)
- [Commits](dependabot/fetch-metadata@cd6e996...c9c4182)

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

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

.github/workflows/verify-dependabot-clearly-defined.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
       - name: Fetch Dependabot metadata
         id: metadata
-        uses: dependabot/fetch-metadata@cd6e996708b8cfe0b639401134a3b9a3177be7b2
+        uses: dependabot/fetch-metadata@c9c4182bf1b97f5224aee3906fd373f6b61b4526
 
       - name: Check ClearlyDefined
         if: ${{steps.metadata.outputs.package-ecosystem == 'nuget'}}