Add option for checkout code

.github/workflows/ci.yml

@@ -13,7 +13,8 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v2
         with:
-            submodules: true
+          fetch-depth: 0
+          submodules: true
       - uses: satackey/action-docker-layer-caching@v0.0.8
         continue-on-error: true
         with: