add submodules to CI

.github/workflows/ci.yaml

@@ -30,6 +30,8 @@ jobs:
 
       - name: Checkout Hyprland
         uses: actions/checkout@v3
+        with:
+          submodules: recursive
 
       - name: Build Hyprland With default settings
         run: |

.github/workflows/nix-build.yaml

@@ -8,6 +8,8 @@ jobs:
     steps:
     - name: Clone repository
       uses: actions/checkout@v3
+      with:
+        submodules: recursive
     - name: Install nix
       uses: cachix/install-nix-action@v17
       with: