net/rubygem-activestorage60: Update to 6.0.4.8

Changes:	https://github.com/rails/rails/releases

net/rubygem-activestorage60/Makefile

 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 
 PORTNAME=	activestorage
-PORTVERSION=	6.0.4.7
+PORTVERSION=	6.0.4.8
 CATEGORIES=	net rubygems
 MASTER_SITES=	RG
 PKGNAMESUFFIX=	60

net/rubygem-activestorage60/distinfo

-TIMESTAMP = 1647264922
-SHA256 (rubygem/activestorage-6.0.4.7.gem) = 4b44d8b8c9f2cc44a1e4b24457848c4595c162246402f6d91dd3575b0b07cc7a
-SIZE (rubygem/activestorage-6.0.4.7.gem) = 53248
+TIMESTAMP = 1651316765
+SHA256 (rubygem/activestorage-6.0.4.8.gem) = 5d2a7f1bc8ab4d422a7077ca2637f868b2165fb472520e168796563b7914d999
+SIZE (rubygem/activestorage-6.0.4.8.gem) = 53248