(ci) import recursive git repos

Author: Neiko2002

.github/workflows/cpp-ci.yml

@@ -21,12 +21,14 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+      with:
+        submodules: recursive
 
     - name: Install Build Tools (Linux)
       if: runner.os == 'Linux'
       run: |
-        apt-get update
-        apt-get install -y cmake g++
+        sudo apt-get update
+        sudo apt-get install -y cmake g++
 
     - name: Configure CMake
       run: cmake -B build -S cpp -DFORCE_AVX2=OFF -DENABLE_BENCHMARKS=OFF