readline: remove usage of require('util')

Use `require('internal/util/inspect').inspect` instead of
`require('util').inspect`.

Refs: #26546

PR-URL: #26818
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

lib/readline.js

@@ -32,7 +32,7 @@ const {
   ERR_INVALID_OPT_VALUE
 } = require('internal/errors').codes;
 const { validateString } = require('internal/validators');
-const { inspect } = require('util');
+const { inspect } = require('internal/util/inspect');
 const { emitExperimentalWarning } = require('internal/util');
 const EventEmitter = require('events');
 const {