Merge pull request #2796 from Trusted-AI/dependabot/github_actions/docker/metadata-action-5.9.0

Bump docker/metadata-action from 5.8.0 to 5.9.0

Author: beat-buesser

.github/workflows/dockerhub.yml

@@ -30,7 +30,7 @@ jobs:
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@c1e51972afc2121e065aed6d45c65596fe445f3f
+        uses: docker/metadata-action@318604b99e75e41977312d83839a89be02ca4893
         with:
           images: adversarialrobustnesstoolbox/releases
           tags: |