Fix rubocop offenses

Author: numbata

bench/serializing.rb

@@ -35,7 +35,7 @@ class Teacher < Models::Person
     attr_accessor :tenure
 
     def initialize(opts = {})
-      super(opts)
+      super
       @tenure = opts[:tenure]
     end
   end
@@ -44,7 +44,7 @@ class Student < Models::Person
     attr_reader :grade
 
     def initialize(opts = {})
-      super(opts)
+      super
       @grade = opts[:grade]
     end
   end

grape-entity.gemspec

@@ -16,7 +16,7 @@ Gem::Specification.new do |s|
 
   s.required_ruby_version = '>= 3.0'
 
-  s.add_runtime_dependency 'activesupport', '>= 3.0.0'
+  s.add_dependency 'activesupport', '>= 3.0.0'
 
   s.files         = `git ls-files`.split("\n")
   s.test_files    = `git ls-files -- {test,spec}/*`.split("\n")