Merge pull request #359 from ember-bootstrap/update-compatibility-in-readme-per-latest-breaking-changes

update compatbility in README per latest breaking changes

Author: jelhan

README.md

@@ -13,8 +13,8 @@ Compatibility
 * Ember Power Select v6 or above
 * Ember Bootstrap v5 or above
 * Ember.js v3.28 or above
-* Ember CLI v3.16 or above
-* Node.js v12 or above
+* Ember CLI v3.28 or above
+* Node.js v14 or above
 
 
 Installation