add extended-assertions requirements #1939

Job	Run time
deploy	36s
test (3.8, lint)	42s
test (3.8, lint_docs)	1m 33s
test (3.8, mypy)	44s
test (3.8, unit-quick)	17m 55s
test (3.8, unit-diagnostic-servebasic-gx-dev)	4m 55s
test (3.8, unit-nonredundant-noclientbuild-noshed-gx-2205)	22m 28s
test (3.8, unit-nonredundant-noclientbuild-noshed-gx-231)	25m 15s
test (3.8, unit-nonredundant-noclientbuild-noshed-gx-dev)	26m 27s
test (3.8, unit-nonredundant-noclientbuild-noshed-nogx)	1h 4m 36s
test (3.8, unit-diagnostic-serveclientcmd)	5m 14s
test (3.11, lint)	38s
test (3.11, mypy)	40s
test (3.11, unit-quick)	19m 18s
	3h 11m 1s

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