Audofix Rubocop Style/WordArray (#23739)

.rubocop_todo.yml

...ate/20170610000000_add_statuses_index_on_account_id_id.rb

...ge_on_statuses_for_api_v1_accounts_account_id_statuses.rb

lib/mastodon/maintenance_cli.rb

lib/tasks/statistics.rake

spec/controllers/api/v1/blocks_controller_spec.rb

spec/controllers/api/v1/bookmarks_controller_spec.rb

spec/controllers/api/v1/favourites_controller_spec.rb

spec/controllers/api/v1/mutes_controller_spec.rb

spec/controllers/settings/applications_controller_spec.rb

...controllers/settings/preferences/other_controller_spec.rb

spec/models/account_spec.rb

spec/models/account_statuses_cleanup_policy_spec.rb

...ctivitypub/fetch_featured_tags_collection_service_spec.rb

spec/services/activitypub/process_account_service_spec.rb

spec/services/delete_account_service_spec.rb

...ers/scheduler/accounts_statuses_cleanup_scheduler_spec.rb