fix: submodules

Author: gadomski

.github/workflows/ci.yaml

@@ -37,6 +37,8 @@ jobs:
           # - windows-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          submodules: true
       - uses: astral-sh/setup-uv@v3
       - uses: Swatinem/rust-cache@v2
       - name: Install Python version