Merge pull request #2106 from Trusted-AI/dependabot/github_actions/docker/metadata-action-4.4.0

Bump docker/metadata-action from 4.3.0 to 4.4.0

Author: beat-buesser

.github/workflows/dockerhub.yml

@@ -31,7 +31,7 @@ jobs:
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@507c2f2dc502c992ad446e3d7a5dfbe311567a96
+        uses: docker/metadata-action@c4ee3adeed93b1fa6a762f209fb01608c1a22f1e
         with:
           images: adversarialrobustnesstoolbox/releases
           tags: |