updated to ruby version (#341)

Author: Mat001

.github/workflows/ruby.yml

@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: [ '2.7.0', '3.0.0', '3.1.0' ]
+        ruby: [ '3.0.0', '3.1.0', '3.2.0' ]
     steps:
     - uses: actions/checkout@v3
     - name: Set up Ruby ${{ matrix.ruby }}

.rubocop.yml

@@ -1,7 +1,7 @@
 inherit_from: .rubocop_todo.yml
 
 AllCops:
-  TargetRubyVersion: 2.7
+  TargetRubyVersion: 3.0
 
 Layout/SpaceInsideHashLiteralBraces:
   EnforcedStyle: no_space

README.md

@@ -17,7 +17,7 @@ Refer to the [Ruby SDK's developer documentation](https://docs.developers.optimi
 
 ### Requirements
 
-* Ruby 2.7+
+* Ruby 3.0+
 
 ### Install the SDK
 

optimizely-sdk.gemspec

@@ -7,7 +7,7 @@ Gem::Specification.new do |spec|
   spec.version       = Optimizely::VERSION
   spec.authors       = ['Optimizely']
   spec.email         = ['developers@optimizely.com']
-  spec.required_ruby_version = '>= 2.7'
+  spec.required_ruby_version = '>= 3.0'
 
   spec.summary       = "Ruby SDK for Optimizely's testing framework"
   spec.description   = 'A Ruby SDK for use with Optimizely Feature Experimentation, Optimizely Full Stack (legacy), and Optimizely Rollouts'
@@ -24,6 +24,6 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rubocop'
   spec.add_development_dependency 'webmock'
 
-  spec.add_runtime_dependency 'json-schema', '~> 2.6'
+  spec.add_runtime_dependency 'json-schema', '>= 2.6'
   spec.add_runtime_dependency 'murmurhash3', '~> 0.1'
 end