devel/rubygem-holidays: Update to 8.5.0

Changes:	https://github.com/holidays/holidays/releases
		https://github.com/holidays/holidays/blob/master/CHANGELOG.md

devel/rubygem-holidays/Makefile

 # Created by: Eric Freeman <freebsdports@chillibear.com>
 
 PORTNAME=	holidays
-PORTVERSION=	8.4.1
+PORTVERSION=	8.5.0
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 

devel/rubygem-holidays/distinfo

-TIMESTAMP = 1610174213
-SHA256 (rubygem/holidays-8.4.1.gem) = 39a80675052822a21e4de8acc2430a598afded1d10892217d65e1916d00031a9
-SIZE (rubygem/holidays-8.4.1.gem) = 151040
+TIMESTAMP = 1642102633
+SHA256 (rubygem/holidays-8.5.0.gem) = c21e45328e77fdade3ba7fe4899114c58181305df9f044199722c1b1e9840336
+SIZE (rubygem/holidays-8.5.0.gem) = 152064