chore: shallow GIT clone

Author: crepererum

.github/workflows/ci.yml

@@ -17,6 +17,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8  # v5.0.0
+        with:
+          fetch-depth: 1
 
       - name: Install `yamllint`
         run: pip install --requirement=.github/workflows/requirements.txt