Use git clone instead of actions/checkout for buildah container

.gitea/workflows/deploy.yaml

@@ -12,7 +12,9 @@ jobs:
       image: quay.io/buildah/stable
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        run: |
+          git clone --depth 1 --branch "${{ github.ref_name }}" "${{ github.server_url }}/${{ github.repository }}.git" .
+          git checkout "${{ github.sha }}"
 
       - name: Build image
         run: |