devel/rubygem-async: Update to 2.9.0

Changes:	https://github.com/socketry/async/releases

devel/rubygem-async/Makefile

 PORTNAME=	async
-PORTVERSION=	2.8.2
+PORTVERSION=	2.9.0
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
@@ -13,7 +13,7 @@ BROKEN_RUBY30=	yes
 
 RUN_DEPENDS=	rubygem-console>=1.10<2:devel/rubygem-console \
 		rubygem-fiber-annotation>=0:devel/rubygem-fiber-annotation \
-		rubygem-io-event>=1.1<2:devel/rubygem-io-event \
+		rubygem-io-event>=1.5.1<2:devel/rubygem-io-event \
 		rubygem-timers>=4.1<5:devel/rubygem-timers
 
 USES=		gem

devel/rubygem-async/distinfo

-TIMESTAMP = 1709390772
-SHA256 (rubygem/async-2.8.2.gem) = c9756de1234e0dc8441393e295a7cd8bebcbb13e87ac8bd12d1ab6f1cd0dae9d
-SIZE (rubygem/async-2.8.2.gem) = 27648
+TIMESTAMP = 1710712586
+SHA256 (rubygem/async-2.9.0.gem) = 460378ebc2e054a7b2eb5aa36b3a94ec81ef91ccc9e5c62400ed695b48838773
+SIZE (rubygem/async-2.9.0.gem) = 28160