[F] Try to fix github actions

.github/workflows/opencc.yml

@@ -12,6 +12,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+        with:
+          fetch-depth: 20     # Fetch 20 recent commits
 
       - name: Setup Python
         uses: actions/setup-python@v4