databases/rubygem-redis: Update to 4.7.1

Changes:	https://github.com/redis/redis-rb/blob/master/CHANGELOG.md

databases/rubygem-redis/Makefile

 # Created by: Sunpoet Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 
 PORTNAME=	redis
-PORTVERSION=	4.7.0
+PORTVERSION=	4.7.1
 CATEGORIES=	databases rubygems
 MASTER_SITES=	RG
 

databases/rubygem-redis/distinfo

-TIMESTAMP = 1656522330
-SHA256 (rubygem/redis-4.7.0.gem) = 24c7ed06fe4238bb107dbe29a19fa4a0ae9cb267263c41c66b4cfc6f8c41b2f0
-SIZE (rubygem/redis-4.7.0.gem) = 68608
+TIMESTAMP = 1657199049
+SHA256 (rubygem/redis-4.7.1.gem) = ecb256d4e53ead3eca05bf394dd100e6a162c136f461fe752ddf5d35b64a2df6
+SIZE (rubygem/redis-4.7.1.gem) = 68608