Fix Docker

.forgejo/workflows/package.yml

@@ -10,6 +10,10 @@ jobs:
     name: docker
     runs-on: ubuntu-latest
     steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Set up QEMU
+        uses: https://github.com/docker/setup-qemu-action@v2
       - name: Login to Docker Registry
         uses: https://github.com/docker/login-action@v2
         with: