crypto: rename symbols to match guidelines

PR-URL: #22770
Refs: #22684
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

lib/internal/crypto/hash.js

@@ -23,8 +23,8 @@ const { inherits } = require('util');
 const { normalizeEncoding } = require('internal/util');
 const { isArrayBufferView } = require('internal/util/types');
 const LazyTransform = require('internal/streams/lazy_transform');
-const kState = Symbol('state');
-const kFinalized = Symbol('finalized');
+const kState = Symbol('kState');
+const kFinalized = Symbol('kFinalized');
 
 function Hash(algorithm, options) {
   if (!(this instanceof Hash))