style(rubocop): Gemspec/AddRuntimeDependency

Author: flavorjones

loofah.gemspec

@@ -44,6 +44,6 @@ Gem::Specification.new do |spec|
 
   spec.required_ruby_version = ">= 2.5.0"
 
-  spec.add_runtime_dependency("crass", ["~> 1.0.2"])
-  spec.add_runtime_dependency("nokogiri", [">= 1.12.0"])
+  spec.add_dependency("crass", ["~> 1.0.2"])
+  spec.add_dependency("nokogiri", [">= 1.12.0"])
 end