Update docker/setup-buildx-action action to v4

Author: renovate[bot]

.github/workflows/builder.yml

@@ -14,7 +14,7 @@ jobs:
       uses: docker/setup-qemu-action@v3
 
     - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v3
+      uses: docker/setup-buildx-action@v4
 
     - name: Login to the GitHub Container Registry
       uses: docker/login-action@v3