worker: remove usage of require('util') in worker_thread.js

PR-URL: #26814
Refs: #26546
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Masashi Hirano <shisama07@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>

lib/internal/main/worker_thread.js

@@ -45,7 +45,7 @@ const publicWorker = require('worker_threads');
 patchProcessObject();
 setupDebugEnv();
 
-const debug = require('util').debuglog('worker');
+const debug = require('internal/util/debuglog').debuglog('worker');
 
 setupWarningHandler();