Update support note in 9.15 (Catastrophic backtracking)

Refs: https://bugs.chromium.org/p/v8/issues/detail?id=10765
Refs: https://bugs.chromium.org/p/v8/issues/detail?id=11021

Can be tested in the Goole Chrome Beta, Dev, and Canary branches now,
as well as in the Node.js v8-canary branch.

Author: vsemozhetbyt

9-regular-expressions/15-regexp-catastrophic-backtracking/article.md

@@ -37,7 +37,7 @@ let str = "An input string that takes a long time or even makes this regexp hang
 alert( regexp.test(str) );
 ```
 
-To be fair, let's note that some regular expression engines can handle such a search effectively. But most of them can't. Browser engines usually hang.
+To be fair, let's note that some regular expression engines can handle such a search effectively. But most of them can't. Browser engines usually hang (Google Chrome can handle such a search since version 88 due to a new experimental regular expression engine shipped in V8, JavaScript enigine for browsers and Node.js).
 
 ## Simplified example