Rich Text v4.6.1: Update changelog (#1572)

Author: r0b1n

packages/pluggableWidgets/rich-text-web/CHANGELOG.md

@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+## [4.6.1] - 2025-05-21
+
 ### Added
 
 - We added table support to Rich Text, now it is possible to add tables and configure their layout.