fix: github pages build failure

修复因submodule没有checkout导致构建失败

Author: myml

.github/workflows/pages.yml

@@ -16,6 +16,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+          ref: ${{ github.event.pull_request.head.sha }}
       - uses: actions/setup-node@v4
         with:
           node-version: 24