MAINTAINERS: git://github.com -> https://github.com for ceph

Github deprecated the git:// links about a year ago, so let's move to
the https:// URLs instead.
Reported-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://github.blog/2021-09-01-improving-git-protocol-security-github/Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

MAINTAINERS

@@ -4809,7 +4809,7 @@ R:	Jeff Layton <jlayton@kernel.org>
 L:	ceph-devel@vger.kernel.org
 S:	Supported
 W:	http://ceph.com/
-T:	git git://github.com/ceph/ceph-client.git
+T:	git https://github.com/ceph/ceph-client.git
 F:	include/linux/ceph/
 F:	include/linux/crush/
 F:	net/ceph/
@@ -4821,7 +4821,7 @@ R:	Jeff Layton <jlayton@kernel.org>
 L:	ceph-devel@vger.kernel.org
 S:	Supported
 W:	http://ceph.com/
-T:	git git://github.com/ceph/ceph-client.git
+T:	git https://github.com/ceph/ceph-client.git
 F:	Documentation/filesystems/ceph.rst
 F:	fs/ceph/
 
@@ -17222,7 +17222,7 @@ R:	Dongsheng Yang <dongsheng.yang@easystack.cn>
 L:	ceph-devel@vger.kernel.org
 S:	Supported
 W:	http://ceph.com/
-T:	git git://github.com/ceph/ceph-client.git
+T:	git https://github.com/ceph/ceph-client.git
 F:	Documentation/ABI/testing/sysfs-bus-rbd
 F:	drivers/block/rbd.c
 F:	drivers/block/rbd_types.h