External Libraries: Update the Moment library to version 2.29.4.

This is a minor bug fix release.

Props dilipbheda.
Fixes #56031.
Built from https://develop.svn.wordpress.org/trunk@53725


git-svn-id: http://core.svn.wordpress.org/trunk@53284 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/js/dist/vendor/moment.js

@@ -1,5 +1,5 @@
 //! moment.js
-//! version : 2.29.3
+//! version : 2.29.4
 //! authors : Tim Wood, Iskren Chernev, Moment.js contributors
 //! license : MIT
 //! momentjs.com
@@ -2454,7 +2454,7 @@
     function preprocessRFC2822(s) {
         // Remove comments and folding whitespace and replace multiple-spaces with a single space
         return s
-            .replace(/\([^)]*\)|[\n\t]/g, ' ')
+            .replace(/\([^()]*\)|[\n\t]/g, ' ')
             .replace(/(\s\s+)/g, ' ')
             .replace(/^\s\s*/, '')
             .replace(/\s\s*$/, '');
@@ -5635,7 +5635,7 @@
 
     //! moment.js
 
-    hooks.version = '2.29.3';
+    hooks.version = '2.29.4';
 
     setHookCallback(createLocal);