[loadtest] Update README #4993

Job	Run time
Build monitoring image	1m 27s
Repository hygiene	1m 36s
uss_qualifier configurations.dev.geoawareness_cis tests / uss_qualifier-geoawareness_cis-test test	1m 43s
Unit tests	2m 53s
uss_qualifier configurations.dev.generate_rid_test_data tests / uss_qualifier-generate_rid_test_data-test test	2m 6s
mock_uss tests / mock_uss test	41s
uss_qualifier configurations.dev.dss_probing tests / uss_qualifier-dss_probing-test test	4m 38s
uss_qualifier configurations.dev.f3548_self_contained tests / uss_qualifier-f3548_self_contained-test test	3m 21s
uss_qualifier configurations.dev.general_flight_auth tests / uss_qualifier-general_flight_auth-test test	2m 4s
uss_qualifier configurations.dev.noop tests / uss_qualifier-noop-test test	2m 12s
uss_qualifier configurations.dev.utm_implementation_us tests / uss_qualifier-utm_implementation_us-test test	3m 4s
uss_qualifier configurations.dev.netrid_v22a tests / uss_qualifier-netrid_v22a-test test	8m 58s
uss_qualifier configurations.dev.netrid_v19 tests / uss_qualifier-netrid_v19-test test	8m 42s
uss_qualifier configurations.dev.uspace tests / uss_qualifier-uspace-test test	10m 28s
uss_qualifier configurations.dev.message_signing tests / uss_qualifier-message_signing-test test	2m 49s
prober tests / prober test	1m 21s
uss_qualifier configurations.dev.geospatial_comprehension tests / uss_qualifier-geospatial_comprehension-test test	1m 53s
uss_qualifier configurations.dev.minimal_probing tests / uss_qualifier-minimal_probing-test test	2m 5s
Publish GitHub Pages	18s
	1h 2m 19s

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