fix: pull submodules in workflow

Author: AhmedAmrNabil

.github/workflows/cmake-pr.yml

@@ -12,6 +12,8 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+        with:
+          submodules: recursive
 
       # Cache APT packages
       - name: Cache APT packages