chore: bump docker/metadata-action from 5.7.0 to 5.8.0 (#7642) (#7680)

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 5.7.0 to 5.8.0.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Commits](docker/metadata-action@v5.7.0...v5.8.0)

---
updated-dependencies:
- dependency-name: docker/metadata-action
  dependency-version: 5.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...



(cherry picked from commit ae952b3)

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

Author: vault-token-factory-spectrocloud[bot]

.github/workflows/nightly-docker-build.yaml

@@ -65,7 +65,7 @@ jobs:
 
       - name: Extract Docker metadata
         id: meta
-        uses: docker/metadata-action@v5.7.0
+        uses: docker/metadata-action@v5.8.0
         with:
           images: ghcr.io/${{ github.repository }}:nightly