doc: disable md-linting for a line in the style guide

Linting the style guide is failing due to a recent addition in
nodejs#33755 landing before the lint
library being updated in nodejs#33727.
Sorry about the error.

Author: Trott

doc/guides/doc-style-guide.md

@@ -64,7 +64,9 @@
   <!-- lint enable prohibited-strings remark-lint-->
 * When referring to a version of Node.js in prose, use _Node.js_ and the version
   number. Do not prefix the version number with _v_ in prose. This is to avoid
+  <!-- lint disable prohibited-strings remark-lint-->
   confusion about whether _v8_ refers to Node.js 8.x or the V8 JavaScript
+  <!-- lint enable prohibited-strings remark-lint-->
   engine.
   * OK: _Node.js 14.x_, _Node.js 14.3.1_
   * NOT OK: _Node.js v14_