MAINTAINERS: update Coly Li's email address

This patch updates Coly Li's email addres to [email protected].

Signed-off-by: Coly Li <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>

Author: Coly Li

MAINTAINERS

@@ -3891,7 +3891,7 @@ W:	http://www.baycom.org/~tom/ham/ham.html
 F:	drivers/net/hamradio/baycom*
 
 BCACHE (BLOCK LAYER CACHE)
-M:	Coly Li <colyli@suse.de>
+M:	Coly Li <colyli@kernel.org>
 M:	Kent Overstreet <[email protected]>
 L:	[email protected]
 S:	Maintained