Merge pull request #42 from stackitcloud/dependabot/github_actions/docker/setup-buildx-action-4

chore: bump docker/setup-buildx-action from 2 to 4

Author: jojomo96

.github/workflows/release.yaml

@@ -43,7 +43,7 @@ jobs:
       - uses: anchore/sbom-action/download-syft@78fc58e266e87a38d4194b2137a3d4e9bcaf7ca1 # v0.14.3
 
       - name: Set Up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v4
 
       - name: Login to Registry
         uses: docker/login-action@v2