CONTRIBUTORS: change my name

Change-Id: Ic27adceb7c390c8a06c8d8662309fff5281857e7
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/317893
Trust: Cherry Mui <cherryyz@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index aaeb852..161c18c 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -33,7 +33,7 @@
 Baokun Lee <nototon@gmail.com>
 Ben Shi <powerman1st@163.com>
 Benny Siegert <bsiegert@gmail.com>
-Cherry Zhang <cherryyz@google.com>
+Cherry Mui <cherryyz@google.com>
 Chris Manghane <cmang@golang.org>
 Christopher Wedgwood <cw@f00f.org>
 Clément Chigot <clement.chigot@atos.net>