games/vkquake: update to 1.22.0

Changes:	https://github.com/Novum/vkQuake/releases/tag/1.22.0
Reported by:	GitHub (watch releases)

games/vkquake/Makefile

 PORTNAME=	vkquake
-DISTVERSION=	1.20.3
+DISTVERSION=	1.22.0
 CATEGORIES=	games
 
 MAINTAINER=	ports@FreeBSD.org

games/vkquake/distinfo

-TIMESTAMP = 1657259468
-SHA256 (Novum-vkQuake-1.20.3_GH0.tar.gz) = 7ff480c00513ac7a9c47864c5296d487444bc5b35a4c6c39affc3a5601888339
-SIZE (Novum-vkQuake-1.20.3_GH0.tar.gz) = 33396356
+TIMESTAMP = 1669967607
+SHA256 (Novum-vkQuake-1.22.0_GH0.tar.gz) = a5bc9e2a357ffd95e39553b3a1463d8e4174a3ba9fa30016bf457f9f71326428
+SIZE (Novum-vkQuake-1.22.0_GH0.tar.gz) = 33776786