Update minitest-reporters requirement from ~> 1.0.0 to ~> 1.4.2

Updates the requirements on [minitest-reporters](https://github.com/CapnKernul/minitest-reporters) to permit the latest version.
- [Release notes](https://github.com/CapnKernul/minitest-reporters/releases)
- [Changelog](https://github.com/kern/minitest-reporters/blob/master/CHANGELOG.md)
- [Commits](minitest-reporters/minitest-reporters@v1.0.0...v1.4.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

alchemy-api-rb.gemspec

@@ -24,7 +24,7 @@ Gem::Specification.new do |gem|
   gem.add_development_dependency 'minitest',            '~> 5.4.0'
   gem.add_development_dependency 'pry',                 '~> 0.10.0'
   gem.add_development_dependency 'rake',                '~> 10.3.0'
-  gem.add_development_dependency 'minitest-reporters',  '~> 1.0.0'
+  gem.add_development_dependency 'minitest-reporters',  '~> 1.4.2'
   gem.add_development_dependency 'vcr',                 '~> 2.9.2'
   gem.add_development_dependency 'webmock',             '~> 3.3.0'
   gem.add_development_dependency 'coveralls',           '~> 0.7.0'