Update docker/metadata-action digest to 318604b

Author: renovate[bot]

.github/workflows/docker-check.yml

@@ -55,7 +55,7 @@ jobs:
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        uses: docker/metadata-action@318604b99e75e41977312d83839a89be02ca4893
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}