MAINTAINERS: erofs: update my email address

Old email address will be invalid after a few days, update it
to kernel.org one.

Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Chao Yu <[email protected]>
Acked-by: Gao Xiang <[email protected]>
Signed-off-by: Gao Xiang <[email protected]>

Author: chaseyu

MAINTAINERS

@@ -6771,7 +6771,7 @@ F:	include/video/s1d13xxxfb.h
 
 EROFS FILE SYSTEM
 M:	Gao Xiang <[email protected]>
-M:	Chao Yu <[email protected]>
+M:	Chao Yu <[email protected]>
 L:	[email protected]
 S:	Maintained
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git