MAINTAINERS: update Coly Li's email address

This patch updates Coly Li's email addres to colyli@kernel.org.

Signed-off-by: Coly Li <colyli@kernel.org>
Link: https://lore.kernel.org/r/20241208115350.85103-1-colyli@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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 <kent.overstreet@linux.dev>
 L:	linux-bcache@vger.kernel.org
 S:	Maintained