Maintainers.txt: update SecurityPkg maintainer

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hot Tian <hot.tian@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17193 6f19259b-4bc3-4df7-8a09-765794883524
diff --git a/Maintainers.txt b/Maintainers.txt
index f6fe81d..1ec28e8 100644
--- a/Maintainers.txt
+++ b/Maintainers.txt
@@ -162,7 +162,7 @@
 

 SecurityPkg

 W: https://github.com/tianocore/tianocore.github.io/wiki/SecurityPkg

-M: Guo Dong <guo.dong@intel.com>

+M: Chao Zhang <chao.b.zhang@intel.com>

 

 ShellPkg, ShellBinPkg

 W: https://github.com/tianocore/tianocore.github.io/wiki/ShellPkg