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

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>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/r/20221013214636.30721-1-palmer@rivosinc.comSigned-off-by: Alex Williamson <alex.williamson@redhat.com>

MAINTAINERS

@@ -21539,7 +21539,7 @@ M:	Alex Williamson <alex.williamson@redhat.com>
 R:	Cornelia Huck <cohuck@redhat.com>
 L:	kvm@vger.kernel.org
 S:	Maintained
-T:	git git://github.com/awilliam/linux-vfio.git
+T:	git https://github.com/awilliam/linux-vfio.git
 F:	Documentation/ABI/testing/sysfs-devices-vfio-dev
 F:	Documentation/driver-api/vfio.rst
 F:	drivers/vfio/