fix: broken ci for publishing docker images

Author: AndrewBastin

.github/workflows/publish-docker.yml

@@ -14,6 +14,12 @@ jobs:
       - name: Check out the repo
         uses: actions/checkout@v2
 
+      - name: Setup QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Log in to Docker Hub
         uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
         with: