test: fix typo in MessageChannel test

PR-URL: #41746
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Mestery <mestery@protonmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>

test/parallel/test-worker-message-port-infinite-message-loop.js

@@ -6,7 +6,7 @@ const { MessageChannel } = require('worker_threads');
 
 // Make sure that an infinite asynchronous .on('message')/postMessage loop
 // does not lead to a stack overflow and does not starve the event loop.
-// We schedule timeouts both from before the the .on('message') handler and
+// We schedule timeouts both from before the .on('message') handler and
 // inside of it, which both should run.
 
 const { port1, port2 } = new MessageChannel();