Explicitly list the platforms we want

Author: benbz

.github/workflows/docker-publish.yml

@@ -48,6 +48,7 @@ jobs:
     - name: Build and push Docker image
       uses: docker/build-push-action@v6
       with:
+        platforms: linux/amd64,linux/arm64
         push: ${{ github.event_name != 'pull_request' }}
         tags: ${{ steps.meta.outputs.tags }}
         labels: ${{ steps.meta.outputs.labels }}