MAINTAINERS: update Intel Ethernet maintainers

Since Jesse has moved to a new role, replace him with a new maintainer
to work with Tony on representing Intel networking drivers in the
kernel.

Cc: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

Author: jbrandeb

MAINTAINERS

@@ -11051,8 +11051,8 @@ F:	include/drm/xe*
 F:	include/uapi/drm/xe_drm.h
 
 INTEL ETHERNET DRIVERS
-M:	Jesse Brandeburg <jesse.brandeburg@intel.com>
 M:	Tony Nguyen <anthony.l.nguyen@intel.com>
+M:	Przemek Kitszel <przemyslaw.kitszel@intel.com>
 L:	intel-wired-lan@lists.osuosl.org (moderated for non-subscribers)
 S:	Supported
 W:	https://www.intel.com/content/www/us/en/support.html