MAINTAINERS: Update Alex Williamson's email address

Switch to a personal email account as I'll be leaving Red Hat soon.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20251013152613.3088777-1-alex.williamson@redhat.com
Signed-off-by: Alex Williamson <alex@shazbot.org>

Author: Alex Williamson

.mailmap

@@ -27,6 +27,7 @@ Alan Cox <alan@lxorguk.ukuu.org.uk>
 Alan Cox <root@hraefn.swansea.linux.org.uk>
 Aleksandar Markovic <aleksandar.markovic@mips.com> <aleksandar.markovic@imgtec.com>
 Aleksey Gorelov <aleksey_gorelov@phoenix.com>
+Alex Williamson <alex@shazbot.org> <alex.williamson@redhat.com>
 Alexander Lobakin <alobakin@pm.me> <alobakin@dlink.ru>
 Alexander Lobakin <alobakin@pm.me> <alobakin@marvell.com>
 Alexander Lobakin <alobakin@pm.me> <bloodyreaper@yandex.ru>

MAINTAINERS

@@ -26885,7 +26885,7 @@ S:	Maintained
 F:	drivers/vfio/cdx/*
 
 VFIO DRIVER
-M:	Alex Williamson <alex.williamson@redhat.com>
+M:	Alex Williamson <alex@shazbot.org>
 L:	kvm@vger.kernel.org
 S:	Maintained
 T:	git https://github.com/awilliam/linux-vfio.git
@@ -27048,7 +27048,7 @@ T:	git git://linuxtv.org/media.git
 F:	drivers/media/test-drivers/vimc/*
 
 VIRT LIB
-M:	Alex Williamson <alex.williamson@redhat.com>
+M:	Alex Williamson <alex@shazbot.org>
 M:	Paolo Bonzini <pbonzini@redhat.com>
 L:	kvm@vger.kernel.org
 S:	Supported