Merge pull request #44 from qgis/dependabot/github_actions/docker/setup-buildx-action-4

Bump docker/setup-buildx-action from 3 to 4

Author: Xpirix

.github/workflows/build-push-images-release.yaml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v6
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
 
       - name: Login to DockerHub
         uses: docker/login-action@v3