Improve inclusive language

.rubocop_todo/naming/inclusive_language.yml

...lers/admin/application_settings/appearances_controller.rb

...ollers/concerns/requires_allowlisted_monitoring_client.rb

app/controllers/health_check_controller.rb

app/controllers/health_controller.rb

app/controllers/metrics_controller.rb

app/helpers/blob_helper.rb

app/services/projects/download_service.rb

app/validators/cron_validator.rb

ee/spec/models/dora/lead_time_for_changes_metric_spec.rb

lib/gitlab/git/hook_env.rb

rubocop/cop/avoid_return_from_blocks.rb

rubocop/cop/graphql/id_type.rb

spec/controllers/concerns/issuable_collections_spec.rb

spec/rubocop/cop/avoid_return_from_blocks_spec.rb

spec/rubocop/cop/graphql/id_type_spec.rb

...design_management/generate_image_versions_service_spec.rb

spec/services/projects/download_service_spec.rb

spec/support/import_export/export_file_helper.rb

...lib/banzai/filters/sanitization_filter_shared_examples.rb