chore: 🔧 update gemspec to match version 1.1.0 changes

city-state.gemspec

@@ -10,15 +10,22 @@ Gem::Specification.new do |spec|
   spec.email         = ["[email protected]"]
   spec.summary       = %q{Simple list of cities and states of the world}
   spec.description   = %q{Useful to make forms and validations. It uses MaxMind database.}
-  spec.homepage      = "https://github.com/loureirorg/city-state"
+  spec.homepage      = "https://github.com/thecodecrate/city-state"
   spec.license       = "MIT"
 
-  spec.files         = `git ls-files -z`.split("\x0")
-  spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
-  spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
+  spec.files = [
+    'Rakefile',
+    'README.md',
+    'LICENSE.txt',
+    'CHANGELOG.md',
+    'city-state.gemspec'
+  ] + Dir["lib/**/*"] + Dir["spec/**/*"]
   spec.require_paths = ["lib"]
 
+  spec.required_ruby_version = '>= 2.6.0'
+
   spec.add_development_dependency "bundler", ">= 1.7"
-  spec.add_development_dependency "rake", ">= 10.0"
-  spec.add_runtime_dependency "rubyzip", ">= 1.1"
+  spec.add_development_dependency "rake", ">= 11.0"
+  spec.add_runtime_dependency "rubyzip", ">= 2.3"
+  spec.add_development_dependency 'rspec', '~> 3.10'
 end