Merge pull request #200 from palkan/patch-1

gemspec: require Ruby 3.1+

Author: aonemd

pusher.gemspec

@@ -13,7 +13,7 @@ Gem::Specification.new do |s|
   s.description = %q{Wrapper for Pusher Channels REST api: : https://pusher.com/channels}
   s.license     = "MIT"
 
-  s.required_ruby_version = ">= 2.6"
+  s.required_ruby_version = ">= 3.1"
 
   s.add_dependency "multi_json", "~> 1.15"
   s.add_dependency 'pusher-signature', "~> 0.1.8"