MAINTAINERS: Update my email address for COLO

Signed-off-by: Zhang Chen <chen.zhang@intel.com>
Reviewed-by: Li Zhijian <lizhijian@fujitsu.com>
Message-ID: <20241112084038.6352-1-chen.zhang@intel.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

MAINTAINERS

@@ -3559,7 +3559,7 @@ F: include/migration/failover.h
 F: docs/COLO-FT.txt
 
 COLO Proxy
-M: Zhang Chen <chen.zhang@intel.com>
+M: Zhang Chen <zhangckid@gmail.com>
 M: Li Zhijian <lizhijian@fujitsu.com>
 S: Supported
 F: docs/colo-proxy.txt