x11/antimicro: Deprecate and set expiration date to 2023-10-01

Abandonware since 2017, a final release was made in 2022 to
provide notification about the lack of further support.

Consider using x11/antimicrox, a fork who receives new features
and bugfixes

x11/antimicro/Makefile

@@ -9,18 +9,20 @@ WWW=		https://github.com/AntiMicro/antimicro
 
 LICENSE=	GPLv3
 
+DEPRECATED=	Replaced by x11/antimicrox upstream no longer maintained
+EXPIRATION_DATE=	2023-10-01
+
+USES=		cmake compiler:c++11-lang desktop-file-utils pkgconfig \
+		qt:5 sdl shared-mime-info xorg
 USE_GITHUB=	yes
 GH_ACCOUNT=	antimicro #Ryochan7
+USE_QT=		core gui linguisttools:build qmake:build buildtools:build widgets network
+USE_SDL=	sdl2
+USE_XORG=	x11 xi xtst
 
 # Upstream assumes ${LOCALBASE}/lib is part of the default linker path. Pull
 # request 268 fixes it for X11 libraries, but SDL2 is still using pkg-config
 # output (without full paths).
 LDFLAGS+=	-L${LOCALBASE}/lib
 
-USES=		cmake compiler:c++11-lang desktop-file-utils pkgconfig \
-		qt:5 sdl shared-mime-info xorg
-USE_XORG=	x11 xi xtst
-USE_QT=		core gui linguisttools:build qmake:build buildtools:build widgets network
-USE_SDL=	sdl2
-
 .include <bsd.port.mk>