Add frozen_string_literal to spec/factories

spec/factories/abuse_reports.rb

spec/factories/appearances.rb

spec/factories/application_settings.rb

spec/factories/award_emoji.rb

spec/factories/badge.rb

spec/factories/boards.rb

spec/factories/broadcast_messages.rb

spec/factories/chat_names.rb

spec/factories/chat_teams.rb

spec/factories/ci/bridge.rb

spec/factories/ci/build_trace_chunks.rb

spec/factories/ci/build_trace_section_names.rb

spec/factories/ci/builds.rb

spec/factories/ci/group_variables.rb

spec/factories/ci/job_artifacts.rb

spec/factories/ci/pipeline_schedule.rb

spec/factories/ci/pipeline_schedule_variables.rb

spec/factories/ci/pipeline_variables.rb

spec/factories/ci/pipelines.rb

spec/factories/ci/runner_projects.rb