Merge pull request #161 from cpprefjp/fix/ci/avoid_manual_submodule_init

fix(ci): submodule初期化をactions/checkoutに行わせる

Author: faithandbrave

.github/workflows/build.yml

@@ -20,7 +20,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - run: git submodule update -i
+        with:
+          submodules: true
 
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v4