update codeowner to allow approving changeset changes

Author: Feiyang1

.github/CODEOWNERS

@@ -55,8 +55,8 @@ packages/messaging-types @zwu52 @firebase/jssdk-global-approvers
 integration/messaging @zwu52 @firebase/jssdk-global-approvers
 
 # Auth Code
-packages/auth  @bojeil-google @wti806 @firebase/jssdk-global-approvers
-packages/auth-types  @bojeil-google @wti806 @firebase/jssdk-global-approvers
+packages/auth  @bojeil-google @avolkovi @samhorlbeck @scottcrossen @firebase/jssdk-global-approvers
+packages/auth-types  @bojeil-google @avolkovi @samhorlbeck @scottcrossen @firebase/jssdk-global-approvers
 
 # Testing Code
 packages/testing  @avolkovi @samhorlbeck @scottcrossen @yuchenshi @firebase/jssdk-global-approvers
@@ -83,3 +83,6 @@ packages/remote-config-types @erikeldridge @firebase/jssdk-global-approvers
 # Documentation Changes
 packages/firebase/index.d.ts @egilmorez @firebase/jssdk-global-approvers
 scripts/docgen/content-sources/ @egilmorez @firebase/jssdk-global-approvers
+
+# Changeset
+.changeset @egilmorez @erikeldridge @alikn @zijianjoy @andirayo @avolkovi @samhorlbeck @scottcrossen @yuchenshi @zwu52 @firebase/firestore-js-team @firebase/jssdk-global-approvers