Consolidate the definition and consumption of --sign* CLI options - #26617

✅ 00:06 clone
✅ 01:11 setup
✅ 04:12 main
✅ 00:00 runner_stats
✅ 00:00 html
✅ 00:00 server_log
✅ 00:00 cleanup_tracer
✅ 00:01 df
✅ 00:01 audit_log
✅ 00:01 journal
✅ 00:01 podman_system_info
✅ 00:01 time