chore(deps): update docker/metadata-action action to v5.8.0 (#256)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/validator-docker.yaml

@@ -37,7 +37,7 @@ jobs:
 
     - name: Extract metadata (tags, labels) for Docker
       id: meta
-      uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 # v5.7.0
+      uses: docker/metadata-action@c1e51972afc2121e065aed6d45c65596fe445f3f # v5.8.0
       with:
         images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
         tags: |