Update GitHub Action

Fixes #7, #6

.github/actions/build-image/action.yml

@@ -13,6 +13,12 @@ inputs:
 runs:
   using: "composite"
   steps:
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v1
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v1
+      with:
+        driver-opts: network=host
     - name: Build and Push image
       uses: docker/build-push-action@v2
       with: