Update deploy.yml

Checkout submodules

Author: pawchen

.github/workflows/deploy.yml

@@ -34,8 +34,9 @@ jobs:
         uses: actions/checkout@v6
         with:
           repository: originlab/DocGHPagesConverter
+          submodules: recursive
           path: converter
-      - run: ls -l -R
+      #- run: ls -l -R
       - uses: actions/setup-dotnet@v5
         with:
           dotnet-version: '10.x'