Add frozen_string_literal to spec/features

Using the sed script from
https://gitlab.com/gitlab-org/gitlab-ce/issues/59758

spec/features/abuse_report_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 describe 'Abuse reports' do

spec/features/admin/admin_abuse_reports_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 describe "Admin::AbuseReports", :js do

spec/features/admin/admin_broadcast_messages_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 describe 'Admin Broadcast Messages' do

spec/features/admin/admin_browse_spam_logs_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 describe 'Admin browse spam logs' do

spec/features/admin/admin_browses_logs_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 describe 'Admin browses logs' do

spec/features/admin/admin_builds_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 describe 'Admin Builds' do

spec/features/admin/admin_deploy_keys_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 RSpec.describe 'admin deploy keys' do

spec/features/admin/admin_disables_git_access_protocol_spec.rb

+# frozen_string_literal: true
+
 require 'rails_helper'
 describe 'Admin disables Git access protocol', :js do

spec/features/admin/admin_disables_two_factor_spec.rb

+# frozen_string_literal: true
+
 require 'rails_helper'
 describe 'Admin disables 2FA for a user' do

spec/features/admin/admin_groups_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 describe 'Admin Groups' do

spec/features/admin/admin_health_check_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 describe "Admin Health Check", :feature do

spec/features/admin/admin_hook_logs_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 describe 'Admin::HookLogs' do

spec/features/admin/admin_hooks_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 describe 'Admin::Hooks' do

spec/features/admin/admin_labels_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 RSpec.describe 'admin issues labels' do

spec/features/admin/admin_manage_applications_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 RSpec.describe 'admin manage applications' do

spec/features/admin/admin_projects_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 describe "Admin::Projects" do

spec/features/admin/admin_requests_profiles_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 describe 'Admin::RequestsProfilesController' do

spec/features/admin/admin_runners_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 describe "Admin Runners" do

spec/features/admin/admin_settings_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 describe 'Admin updates settings' do

spec/features/admin/admin_system_info_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 describe 'Admin System Info' do