Merge pull request #2528 from Trusted-AI/dependabot/github_actions/docker/metadata-action-5.6.1

Bump docker/metadata-action from 5.5.1 to 5.6.1

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@8e5442c4ef9f78752691e2d8f8d19755c6f78e81
+        uses: docker/metadata-action@369eb591f429131d6889c46b94e711f089e6ca96
         with:
           images: adversarialrobustnesstoolbox/releases
           tags: |