Add missing date to 4.10.0-beta.2 in CHANGELOG

Author: chriskrycho

CHANGELOG.md

@@ -4,7 +4,7 @@
 
 - [#20284](https://github.com/emberjs/ember.js/pull/20284) [BUGFIX] remove incorrect types for deprecation functions
 
-## v4.10.0-beta.2
+## v4.10.0-beta.2 (November 30, 2022)
 
 - [#20283](https://github.com/emberjs/ember.js/pull/20283) [BUGFIX] revert TS `compilerOptions.target` to ES2017
 - [#20284](https://github.com/emberjs/ember.js/pull/20284) [BUGFIX] remove incorrect types for deprecation functions