Update rubopcop (#227)

* Update rubopcop [WIP]

* Further rubocop fixes

* Fix rubocop-rails cops

* Fix spec

* Disable rubocop suggestions

* Run rubocop in github actions rather than in codeclimate

spec/spec_helper.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'pathname'
 require 'pry'
 require 'rspec/its'
@@ -10,7 +12,7 @@ elsif ENV.key?('COV')
   SimpleCov.start
 end
 
-GEM_ROOT = Pathname.new File.expand_path('../..', __FILE__)
+GEM_ROOT = Pathname.new File.expand_path('..', __dir__)
 
 $LOAD_PATH.unshift GEM_ROOT.join('lib')
 require 'telegram/bot'
@@ -18,7 +20,7 @@ require 'telegram/bot/updates_controller/rspec_helpers'
 require 'telegram/bot/types'
 require 'active_support/json'
 
-Dir[GEM_ROOT.join('spec/support/**/*.rb')].each { |f| require f }
+Dir[GEM_ROOT.join('spec/support/**/*.rb')].sort.each { |f| require f }
 
 RSpec.configure do |config|
   config.expect_with :rspec do |expectations|