sdk: Don't wait for cleanup

lib/sdk/src/filetype/lua.rs

@@ -96,12 +96,15 @@ where
 
     let content = output.stdout;
 
+    // No need to wait for this, so we move it to a separate task.
+    tokio::spawn(async move {
         if let Err(err) = fs::remove_file(&temp)
             .await
-        .wrap_err("Failed to remove temporary file")
+            .wrap_err_with(|| format!("Failed to remove temporary file '{}'", temp.display()))
         {
             tracing::warn!("{:?}", err);
         }
+    });
 
     Ok(vec![UserFile::with_name(content, name)])
 }