Upgrade CI and set up QEMU

Author: aleksanderaleksic

.github/workflows/ci.yaml

@@ -75,11 +75,16 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v4
 
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3
+
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
+      with:
+        platforms: linux/amd64,linux/arm64
 
     - name: Build Docker image
-      uses: docker/build-push-action@v5
+      uses: docker/build-push-action@v6
       with:
         context: .
         platforms: linux/amd64,linux/arm64