devel/rubygem-travis: Change RUN_DEPENDS from rubygem-highline to rubygem-highline2

- Bump PORTREVISION for dependency change

devel/rubygem-travis/Makefile

 PORTNAME=	travis
 PORTVERSION=	1.11.1
+PORTREVISION=	1
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
@@ -13,7 +14,7 @@ LICENSE_FILE=	${WRKSRC}/LICENSE
 RUN_DEPENDS=	rubygem-faraday1>=1.0<2:www/rubygem-faraday1 \
 		rubygem-faraday_middleware>=1.0<2:www/rubygem-faraday_middleware \
 		rubygem-gh>=0.13<1:devel/rubygem-gh \
-		rubygem-highline>=2.0<3:devel/rubygem-highline \
+		rubygem-highline2>=2.0<3:devel/rubygem-highline2 \
 		rubygem-json_pure>=2.3<3:devel/rubygem-json_pure \
 		rubygem-launchy>=2.1<3:devel/rubygem-launchy \
 		rubygem-pusher-client>=0.4<1:www/rubygem-pusher-client