Bump dependabot/fetch-metadata in /.github/actions/automate-dependabot

Bumps [dependabot/fetch-metadata](https://github.com/dependabot/fetch-metadata) from 1.3.3 to 1.6.0.
- [Release notes](https://github.com/dependabot/fetch-metadata/releases)
- [Commits](dependabot/fetch-metadata@v1.3.3...v1.6.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/actions/automate-dependabot/action.yml

@@ -32,7 +32,7 @@ runs:
     - name: Dependabot metadata
       if: steps.check.outputs.continue == 'true'
       id: metadata
-      uses: dependabot/fetch-metadata@v1.3.3
+      uses: dependabot/fetch-metadata@v1.6.0
       with:
         github-token: "${{ inputs.token }}"