Fix Linux Gitea workflow gates

.gitea/workflows/codegen.yml

@@ -7,6 +7,8 @@ on:
 jobs:
   deterministic:
     runs-on: ubuntu-latest
+    env:
+      CARGO_BUILD_JOBS: "1"
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
@@ -40,7 +42,7 @@ jobs:
           cargo test -p libremetaverse --lib joint_get_aliases_list
       - name: Build and audit clean Rust-only release artifacts
         run: |
-          cargo build --workspace --release --locked
+          cargo build -p libremetaverse-codegen --release --locked -j 1
           python3 tools/check_codegen_gate.py --release-dir target/release
       - name: Lint native generator
         run: |