uv/tests: only run 'transforms' on Linux

It takes too long otherwise. ¯\_(ツ)_/¯

crates/uv/tests/ecosystem.rs

@@ -50,6 +50,8 @@ fn home_assistant_core() -> Result<()> {
 
 // Source: https://github.com/konstin/transformers/blob/da3c00433d93e43bf1e7360b1057e8c160e7978e/pyproject.toml
 #[test]
+// Takes too long on non-Linux in CI.
+#[cfg(target_os = "linux")]
 fn transformers() -> Result<()> {
     lock_ecosystem_package_non_deterministic("3.12", "transformers")
 }