fix(ci): checkout without git in slim runner image

.github/workflows/ci-cd.yml

@@ -18,13 +18,35 @@ jobs:
   validate:
     name: Validate Code Quality And Tests
     runs-on: ubuntu-latest
-    container: catthehacker/ubuntu:act-latest
+    container: python:3.12-slim
 
     steps:
       - name: Checkout code
         run: |
-          git clone --depth=1 --branch=${GITHUB_REF_NAME} https://api.xiaoxiajianji.com/git/${GITHUB_REPOSITORY}.git .
-          git checkout ${GITHUB_SHA}
+          python - <<'PY'
+          import os
+          import tarfile
+          import urllib.request
+
+          api_url = os.environ['GITHUB_API_URL']
+          repository = os.environ['GITHUB_REPOSITORY']
+          sha = os.environ['GITHUB_SHA']
+          token = os.environ.get('GITHUB_TOKEN', '')
+          archive_url = f"{api_url}/repos/{repository}/archive/{sha}.tar.gz"
+          request = urllib.request.Request(archive_url)
+          if token:
+              request.add_header('Authorization', f'token {token}')
+          with urllib.request.urlopen(request, timeout=120) as response:
+              with open('/tmp/repo.tar.gz', 'wb') as archive:
+                  archive.write(response.read())
+          with tarfile.open('/tmp/repo.tar.gz', 'r:gz') as archive:
+              members = archive.getmembers()
+              top_level = members[0].name.split('/')[0] + '/'
+              for member in members:
+                  member.name = member.name.removeprefix(top_level)
+                  if member.name:
+                      archive.extract(member, '.')
+          PY
 
       - name: Prepare environment
         run: |