Merge pull request #4874 from ChengyuZhu6/add-gpg

MAINTAINERS: update ChengyuZhu6's gpg key

Author: fahedouch

MAINTAINERS

@@ -17,7 +17,7 @@
 "Zheaoli", "Zheao Li", "me@manjusaka.me","6E0D D9FA BAD5 AF61 D884 01EE 878F 445D 9C6C E65E"
 "djdongjin", "Jin Dong", "djdongjin95@gmail.com",""
 "yankay", "Kay Yan", "kay.yan@daocloud.io", ""
-"ChengyuZhu6","Chengyu Zhu","hudson@cyzhu.com",""
+"ChengyuZhu6","Chengyu Zhu","hudson@cyzhu.com","521B 0CBA 0657 089B 2B81 41FD E14F 08B8 908E D6E8"
 
 # REVIEWERS
 # GitHub ID, Name, Email address, GPG fingerprint