fix: Update github submodules

.github/workflows/cmake-single-platform.yml

@@ -22,6 +22,10 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
+    - name: Update submodules
+    # Update all GitHub submodules (e.g glfw)
+      run: git submodule update --init
+
     - name: Configure CMake
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
       # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type