Merge branch 'frozen-string-enable-apps-services-inner-even-more' into 'master'

Enable more frozen string in app/services/**/*.rb

See merge request gitlab-org/gitlab-ce!20702

app/services/prometheus/adapter_service.rb

+# frozen_string_literal: true
+
 module Prometheus
   class AdapterService
     def initialize(project, deployment_platform = nil)

app/services/protected_branches/access_level_params.rb

+# frozen_string_literal: true
+
 module ProtectedBranches
   class AccessLevelParams
     attr_reader :type, :params

app/services/protected_branches/api_service.rb

+# frozen_string_literal: true
+
 module ProtectedBranches
   class ApiService < BaseService
     def create

app/services/protected_branches/create_service.rb

+# frozen_string_literal: true
+
 module ProtectedBranches
   class CreateService < BaseService
     def execute(skip_authorization: false)

app/services/protected_branches/destroy_service.rb

+# frozen_string_literal: true
+
 module ProtectedBranches
   class DestroyService < BaseService
     def execute(protected_branch)

app/services/protected_branches/legacy_api_create_service.rb

+# frozen_string_literal: true
+
 # The branches#protect API still uses the `developers_can_push` and `developers_can_merge`
 # flags for backward compatibility, and so performs translation between that format and the
 # internal data model (separate access levels). The translation code is non-trivial, and so

app/services/protected_branches/legacy_api_update_service.rb

+# frozen_string_literal: true
+
 # The branches#protect API still uses the `developers_can_push` and `developers_can_merge`
 # flags for backward compatibility, and so performs translation between that format and the
 # internal data model (separate access levels). The translation code is non-trivial, and so

app/services/protected_branches/update_service.rb

+# frozen_string_literal: true
+
 module ProtectedBranches
   class UpdateService < BaseService
     def execute(protected_branch)

app/services/protected_tags/create_service.rb

+# frozen_string_literal: true
+
 module ProtectedTags
   class CreateService < BaseService
     attr_reader :protected_tag

app/services/protected_tags/destroy_service.rb

+# frozen_string_literal: true
+
 module ProtectedTags
   class DestroyService < BaseService
     def execute(protected_tag)

app/services/protected_tags/update_service.rb

+# frozen_string_literal: true
+
 module ProtectedTags
   class UpdateService < BaseService
     def execute(protected_tag)

app/services/quick_actions/interpret_service.rb

+# frozen_string_literal: true
+
 module QuickActions
   class InterpretService < BaseService
     include Gitlab::QuickActions::Dsl

app/services/search/global_service.rb

+# frozen_string_literal: true
+
 module Search
   class GlobalService
     attr_accessor :current_user, :params

app/services/search/group_service.rb

+# frozen_string_literal: true
+
 module Search
   class GroupService < Search::GlobalService
     attr_accessor :group

app/services/search/project_service.rb

+# frozen_string_literal: true
+
 module Search
   class ProjectService
     attr_accessor :project, :current_user, :params

app/services/search/snippet_service.rb

+# frozen_string_literal: true
+
 module Search
   class SnippetService
     attr_accessor :current_user, :params

app/services/tags/create_service.rb

+# frozen_string_literal: true
+
 module Tags
   class CreateService < BaseService
     def execute(tag_name, target, message, release_description = nil)

app/services/tags/destroy_service.rb

+# frozen_string_literal: true
+
 module Tags
   class DestroyService < BaseService
     def execute(tag_name)

app/services/test_hooks/base_service.rb

+# frozen_string_literal: true
+
 module TestHooks
   class BaseService
     attr_accessor :hook, :current_user, :trigger

app/services/test_hooks/project_service.rb

+# frozen_string_literal: true
+
 module TestHooks
   class ProjectService < TestHooks::BaseService
     attr_writer :project