Add message when aborting due to timeout

src/utils.ts

@@ -4,7 +4,7 @@
 export function abortAfterTimeout(timeoutMs: number): AbortSignal {
   const controller = new AbortController();
   setTimeout(() => {
-    controller.abort();
+    controller.abort("Timeout exceeded");
   }, timeoutMs);
 
   return controller.signal;