Update Ember version compatibility (#3204)

Author: zamoore

packages/components/README.md

@@ -8,8 +8,8 @@ A package containing the components for the Helios Design System.
 Compatibility
 ------------------------------------------------------------------------------
 
-* Ember.js v3.28 or above
-* Ember CLI v3.28 or above
+* Ember.js v4.12 or above
+* Ember CLI v4.12 or above
 * Node.js v16 or above
 
 Installation