Fix checkout on release (#370)

.github/workflows/release.yaml

@@ -13,6 +13,8 @@ jobs:
     environment: ${{ github.ref == 'refs/heads/main' && 'release' || 'test' }}
     steps:
       - uses: actions/checkout@v4
+        with:
+          submodules: true
       - uses: raviqqe/cargo-cache@v1
       - run: cargo install cargo-workspaces
       - run: cargo workspaces publish -y --from-git