Bump dependabot/fetch-metadata from 1.5.1 to 1.6.0 (#1376)

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] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/dependabot-approve.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
 
       - name: Get dependabot metadata
-        uses: dependabot/fetch-metadata@cd6e996708b8cfe0b639401134a3b9a3177be7b2 # v1.5.1
+        uses: dependabot/fetch-metadata@c9c4182bf1b97f5224aee3906fd373f6b61b4526 # v1.6.0
         id: dependabot-metadata
 
       - name: Generate GitHub application token