QUIC: respond to Rich's comments #392

Job	Run time
basic_clang	4m 49s
basic_gcc	4m 54s
check_docs	1m 1s
check_update	1m 18s
check-c-std	2m 18s
minimal	2m 34s
no-deprecated	4m 30s
no-shared-ubuntu	3m 38s
address_ub_sanitizer	9m 27s
enable_non-default_options	3m 53s
full_featured	5m 15s
fuzz_tests	2m 38s
memory_sanitizer	18m 59s
non-caching	13m 29s
no-shared-macos (macos-13)	5m 34s
no-shared-macos (macos-14)	2m 51s
self-hosted	0s
threads_sanitizer	4m 6s
external-test-cf-quiche	2m 48s
external-test-pyca (1.51.0, 3.9)	6m 42s
external-tests	10m 42s
legacy	3m 48s
no-legacy	4m 51s
out-of-readonly-source-and-install-macos (macos-13)	9m 43s
out-of-readonly-source-and-install-macos (macos-14)	4m 56s
out-of-readonly-source-and-install-ubuntu	6m 38s
	2h 21m 22s

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