ci: enable recursion

enable recursion
enable recursion

.github/workflows/user_project_ci.yml

diff --git a/.github/workflows/user_project_ci.yml b/.github/workflows/user_project_ci.yml
index 91fdd41..f3a1691 100644
--- a/.github/workflows/user_project_ci.yml
+++ b/.github/workflows/user_project_ci.yml
@@ -26,6 +26,8 @@
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
+      with:
+        submodules: 'recursive'
 
     - name: cache setup
       id: cache-setup