Update gemspec to be compatible with Rails 8 (#726)

Installing stimulus reflex on Rails 8.0 was failing, this change will
get it to install.

---------

Co-authored-by: Marco Roth <[email protected]>

Author: sara-g

Gemfile.lock

@@ -2,15 +2,15 @@ PATH
   remote: .
   specs:
     stimulus_reflex (3.5.2)
-      actioncable (>= 5.2, < 8)
-      actionpack (>= 5.2, < 8)
-      actionview (>= 5.2, < 8)
-      activesupport (>= 5.2, < 8)
+      actioncable (>= 5.2)
+      actionpack (>= 5.2)
+      actionview (>= 5.2)
+      activesupport (>= 5.2)
       cable_ready (~> 5.0)
       nokogiri (~> 1.0)
       nokogiri-html5-inference (~> 0.3)
       rack (>= 2, < 4)
-      railties (>= 5.2, < 8)
+      railties (>= 5.2)
       redis (>= 4.0, < 6.0)
 
 GEM
@@ -253,7 +253,7 @@ DEPENDENCIES
   magic_frozen_string_literal (~> 1.2)
   minitest (= 5.18.1)
   mocha (~> 1.13)
-  rails (>= 5.2, < 8)
+  rails (>= 5.2)
   rake (~> 13.0)
   standard (~> 1.24)
   stimulus_reflex!

stimulus_reflex.gemspec

@@ -39,12 +39,12 @@ Gem::Specification.new do |gem|
 
   gem.required_ruby_version = ">= 3.0.0"
 
-  rails_version = [">= 5.2", "< 8"]
-  gem.add_dependency "actioncable", *rails_version
-  gem.add_dependency "actionpack", *rails_version
-  gem.add_dependency "actionview", *rails_version
-  gem.add_dependency "activesupport", *rails_version
-  gem.add_dependency "railties", *rails_version
+  rails_version = ">= 5.2"
+  gem.add_dependency "actioncable", rails_version
+  gem.add_dependency "actionpack", rails_version
+  gem.add_dependency "actionview", rails_version
+  gem.add_dependency "activesupport", rails_version
+  gem.add_dependency "railties", rails_version
 
   gem.add_dependency "cable_ready", "~> 5.0"
   gem.add_dependency "nokogiri", "~> 1.0"
@@ -55,7 +55,7 @@ Gem::Specification.new do |gem|
   gem.add_development_dependency "bundler", "~> 2.0"
   gem.add_development_dependency "magic_frozen_string_literal", "~> 1.2"
   gem.add_development_dependency "mocha", "~> 1.13"
-  gem.add_development_dependency "rails", *rails_version
+  gem.add_development_dependency "rails", rails_version
   gem.add_development_dependency "rake", "~> 13.0"
   gem.add_development_dependency "standard", "~> 1.24"
   gem.add_development_dependency "minitest", "5.18.1"