devel/rubygem-rubocop-rspec: Update to 3.1.0

Changes:	https://github.com/rubocop/rubocop-rspec/releases

devel/rubygem-rubocop-rspec/Makefile

 PORTNAME=	rubocop-rspec
-PORTVERSION=	3.0.5
+PORTVERSION=	3.1.0
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 

devel/rubygem-rubocop-rspec/distinfo

-TIMESTAMP = 1726081849
-SHA256 (rubygem/rubocop-rspec-3.0.5.gem) = c6a8e29fb1b00d227c32df159e92f5ebb9e0ff734e52955fb13aff5c74977e0f
-SIZE (rubygem/rubocop-rspec-3.0.5.gem) = 87552
+TIMESTAMP = 1728632704
+SHA256 (rubygem/rubocop-rspec-3.1.0.gem) = 1edcd4dbb4feebbb6e4d8b0d7e43147e8f4f69d317fa964ae9413f2124898bdb
+SIZE (rubygem/rubocop-rspec-3.1.0.gem) = 88064