Update main.yml

Author: paulorb

.github/workflows/main.yml

@@ -70,5 +70,6 @@ jobs:
         name: Build and push
         uses: docker/build-push-action@v6
         with:
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: paulorb/modbus-simulator-cli:latest,paulorb/modbus-simulator-cli:${{ github.ref_name }}