Technical/Downgrade dependencies (#4)

* Downgraded Ruby version to 2.4.0
* Downgraded RSpec deps to 3.10

Author: bestwebua

Diff for: .circleci/gemspecs/compatible

@@ -12,12 +12,12 @@ Gem::Specification.new do |spec|
   spec.homepage      = 'https://github.com/mocktools/ruby-rspec-mock'
   spec.license       = 'MIT'
 
-  spec.required_ruby_version = '>= 2.5.0'
+  spec.required_ruby_version = '>= 2.4.0'
   spec.files = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
   spec.require_paths = %w[lib]
 
-  spec.add_runtime_dependency 'rspec-core', '~> 3.13', '>= 3.13.2'
-  spec.add_runtime_dependency 'rspec-mocks', '~> 3.13', '>= 3.13.2'
+  spec.add_runtime_dependency 'rspec-core', '~> 3.10'
+  spec.add_runtime_dependency 'rspec-mocks', '~> 3.10'
 
   spec.add_development_dependency 'rspec', '~> 3.13'
 end

Diff for: .circleci/gemspecs/latest

@@ -12,12 +12,12 @@ Gem::Specification.new do |spec|
   spec.homepage      = 'https://github.com/mocktools/ruby-rspec-mock'
   spec.license       = 'MIT'
 
-  spec.required_ruby_version = '>= 2.5.0'
+  spec.required_ruby_version = '>= 2.4.0'
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
   spec.require_paths = %w[lib]
 
-  spec.add_runtime_dependency 'rspec-core', '~> 3.13', '>= 3.13.2'
-  spec.add_runtime_dependency 'rspec-mocks', '~> 3.13', '>= 3.13.2'
+  spec.add_runtime_dependency 'rspec-core', '~> 3.10'
+  spec.add_runtime_dependency 'rspec-mocks', '~> 3.10'
 
   spec.add_development_dependency 'bundler-audit', '~> 0.9.2'
   spec.add_development_dependency 'fasterer', '~> 0.11.0'

Diff for: .circleci/linter_configs/.rubocop.yml

@@ -7,7 +7,7 @@ require:
 AllCops:
   DisplayCopNames: true
   DisplayStyleGuide: true
-  TargetRubyVersion: 2.5
+  TargetRubyVersion: 2.4
   SuggestExtensions: false
   NewCops: enable
 

Diff for: .ruby-version

@@ -1 +1 @@
-ruby-2.5.0
+ruby-2.4.0

Diff for: rspec-mock.gemspec

@@ -22,12 +22,12 @@ Gem::Specification.new do |spec|
     'bug_tracker_uri' => 'https://github.com/mocktools/ruby-rspec-mock/issues'
   }
 
-  spec.required_ruby_version = '>= 2.5.0'
+  spec.required_ruby_version = '>= 2.4.0'
   spec.files = `git ls-files -z`.split("\x0").select { |f| f.match(%r{^(bin|lib)/|.ruby-version|rspec-mock.gemspec|LICENSE}) }
   spec.require_paths = %w[lib]
 
-  spec.add_runtime_dependency 'rspec-core', '~> 3.13', '>= 3.13.2'
-  spec.add_runtime_dependency 'rspec-mocks', '~> 3.13', '>= 3.13.2'
+  spec.add_runtime_dependency 'rspec-core', '~> 3.10'
+  spec.add_runtime_dependency 'rspec-mocks', '~> 3.10'
 
   spec.add_development_dependency 'rspec', '~> 3.13'
 end