Reduce release helper build time.

crates/bds-ui/tests/packaging_assets.rs

@@ -143,6 +143,10 @@ fn tagged_releases_are_built_and_packaged_with_rust_tools() {
             "release workflow must not use host tool {forbidden}"
         );
     }
+    assert!(
+        !workflow.contains("run --release --locked --package bds-release"),
+        "the release helper itself must stay unoptimized so cold runner jobs remain practical"
+    );
     assert_eq!(
         workflow
             .matches("actions-rust-lang/setup-rust-toolchain@v1")