Add frozen_string_literal to all ee specs

https://gitlab.com/gitlab-org/gitlab/issues/27703

ee/spec/bin/sidekiq_cluster_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 describe 'ee/bin/sidekiq-cluster' do

ee/spec/elastic_integration/elasticsearch_model_client_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 # This module is monkey-patched in config/initializers/elastic_client_setup.rb

ee/spec/elastic_integration/global_search_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 describe 'GlobalSearch', :elastic do

ee/spec/factories/approvals.rb

+# frozen_string_literal: true
+
 # Read about factories at https://github.com/thoughtbot/factory_bot
 FactoryBot.define do

ee/spec/factories/approver_groups.rb

+# frozen_string_literal: true
+
 # Read about factories at https://github.com/thoughtbot/factory_bot
 FactoryBot.define do

ee/spec/factories/approvers.rb

+# frozen_string_literal: true
+
 # Read about factories at https://github.com/thoughtbot/factory_bot
 FactoryBot.define do

ee/spec/factories/audit_events.rb

+# frozen_string_literal: true
+
 FactoryBot.define do
   factory :audit_event, class: 'SecurityEvent', aliases: [:user_audit_event] do
     user

ee/spec/factories/board_filter_labels.rb

+# frozen_string_literal: true
+
 FactoryBot.define do
   factory :board_label do
     association :board

ee/spec/factories/ci/sources/pipelines.rb

+# frozen_string_literal: true
+
 FactoryBot.define do
   factory :ci_sources_pipeline, class: Ci::Sources::Pipeline do
     after(:build) do |source|

ee/spec/factories/doorkeeper.rb

+# frozen_string_literal: true
+
 FactoryBot.define do
   factory :doorkeeper_access_grant, class: Doorkeeper::AccessGrant do
     sequence(:resource_owner_id) { |n| n }

ee/spec/factories/epic_issues.rb

+# frozen_string_literal: true
+
 FactoryBot.define do
   factory :epic_issue do
     epic

ee/spec/factories/epics.rb

+# frozen_string_literal: true
+
 FactoryBot.define do
   factory :epic do
     title { generate(:title) }

ee/spec/factories/geo/event_log.rb

+# frozen_string_literal: true
+
 FactoryBot.define do
   factory :geo_event_log, class: Geo::EventLog do
     trait :created_event do

ee/spec/factories/geo/event_log_state.rb

+# frozen_string_literal: true
+
 FactoryBot.define do
   factory :geo_event_log_state, class: Geo::EventLogState do
     sequence(:event_id)

ee/spec/factories/geo/file_registry.rb

+# frozen_string_literal: true
+
 FactoryBot.define do
   factory :geo_file_registry, class: Geo::FileRegistry do
     sequence(:file_id)

ee/spec/factories/geo/job_artifact_registry.rb

+# frozen_string_literal: true
+
 FactoryBot.define do
   factory :geo_job_artifact_registry, class: Geo::JobArtifactRegistry do
     sequence(:artifact_id)

ee/spec/factories/geo/project_registry.rb

+# frozen_string_literal: true
+
 FactoryBot.define do
   factory :geo_project_registry, class: Geo::ProjectRegistry do
     project

ee/spec/factories/geo_node_namespace_links.rb

+# frozen_string_literal: true
+
 FactoryBot.define do
   factory :geo_node_namespace_link do
     geo_node

ee/spec/factories/geo_node_statuses.rb

+# frozen_string_literal: true
+
 FactoryBot.define do
   factory :geo_node_status do
     geo_node

ee/spec/factories/geo_nodes.rb

+# frozen_string_literal: true
+
 FactoryBot.define do
   factory :geo_node do
     sequence(:url) do |n|