fix: use std::io::Error::other per clippy lint

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: zzylol

asap-query-engine/src/precompute_engine/series_router.rs

@@ -92,7 +92,7 @@ impl SeriesRouter {
         }))
         .await
         .map_err(|e| -> Box<dyn std::error::Error + Send + Sync> {
-            Box::new(std::io::Error::new(std::io::ErrorKind::Other, e))
+            Box::new(std::io::Error::other(e))
         })?;
 
         Ok(())