chore: update changelog for v4.2.1

CHANGELOG.md

@@ -1,3 +1,34 @@
+#### v4.2.1 (2025-04-10)
+
+##### Chores
+
+*  up harmony (d161eb6f)
+*  up persona (2237e17a)
+*  up persona (75f1f6fb)
+*  incrementing version number - v4.2.0 (87581958)
+*  update changelog for v4.2.0 (c9e0198d)
+*  incrementing version number - v4.1.1 (b2afbb16)
+*  incrementing version number - v4.1.0 (36c80850)
+*  incrementing version number - v4.0.6 (4a52fb2e)
+*  incrementing version number - v4.0.5 (1792a62b)
+*  incrementing version number - v4.0.4 (b1125cce)
+*  incrementing version number - v4.0.3 (2b65c735)
+*  incrementing version number - v4.0.2 (73fe5fcf)
+*  incrementing version number - v4.0.1 (a461b758)
+*  incrementing version number - v4.0.0 (c1eaee45)
+
+##### Bug Fixes
+
+*  closes #13317, fix email confirm for changing email (33d50637)
+*  check if latestversion is valid before using semver.gt (6fe066ce)
+*  closes #13256, allow keyboard access to icon colors (c6620170)
+
+##### Refactors
+
+*  get rid of async.parallel (e722e869)
+*  remove pointless true (747457d7)
+*  make register intro heading (c258f597)
+
 #### v4.2.0 (2025-03-19)
 
 ##### Chores