add platforms to docker deploy (#13226)

.github/workflows/proto-docker.yml

@@ -34,6 +34,12 @@ jobs:
       # set VERSION to new version when making changes, when merged to main the image will automatically be pushed
       - uses: actions/checkout@v3
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+        
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
       - name: Extract metadata (tags, labels) for Docker
         id: meta
         uses: docker/metadata-action@69f6fc9d46f2f8bf0d5491e4aabe0bb8c6a4678a