fix: setup qemu & buildx

Author: Lazzaretti

.github/workflows/build-push.yaml

@@ -25,6 +25,10 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-tags: true
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
       - name: Log in to the Container registry
         if: github.event_name != 'pull_request'
         uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
@@ -44,4 +48,6 @@ jobs:
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
           platforms: linux/amd64,linux/arm64