worker: switch to internal assert module

PR-URL: nodejs#26091
Reviewed-By: Daniel Bevenius <[email protected]>
Reviewed-By: Gus Caplan <[email protected]>
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Ruben Bridgewater <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>

lib/internal/worker.js

@@ -1,7 +1,7 @@
 'use strict';
 
 const EventEmitter = require('events');
-const assert = require('assert');
+const assert = require('internal/assert');
 const path = require('path');
 const util = require('util');
 const {