Updated GitHub Actions: docker/setup-buildx-action@v4, docker/setup-qemu-action@v4

Author: wlanboy

.github/workflows/multiarch.yml

@@ -13,10 +13,10 @@ jobs:
 
     # --- Multi-Arch Setup ---
     - name: Set up QEMU
-      uses: docker/setup-qemu-action@v3
+      uses: docker/setup-qemu-action@v4
 
     - 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@v4