Update docker/setup-buildx-action action to v4

Author: renovate[bot]

.github/workflows/build.yaml

@@ -18,7 +18,7 @@ jobs:
       - name: Set up QEMU
         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 Docker Hub
         uses: docker/login-action@v3
         with: