Update dependency ranges (#141)

Author: marcqualie

Gemfile

@@ -6,8 +6,8 @@ source 'https://rubygems.org'
 gemspec
 
 gem 'minitest', '~> 5.0'
-gem 'minitest-reporters', '~> 1.5.0'
-gem 'rake', '~> 13.0'
+gem 'minitest-reporters', '~> 1.6.0'
+gem 'rake', '~> 13.2'
 gem 'rubocop', '~> 1.25.1'
-gem 'simplecov', '~> 0.21.2', require: false # CodeClimate not compatible with 0.18+ yet - https://github.com/codeclimate/test-reporter/issues/413
+gem 'simplecov', '~> 0.22.0', require: false # CodeClimate not compatible with 0.18+ yet - https://github.com/codeclimate/test-reporter/issues/413
 gem 'simplecov-lcov', '< 0.9'