Add missing hash methods for maps #13071

Job	Run time
doctest (1.9, ubuntu-latest)	23m 54s
doctest (1.10, ubuntu-latest)	24m 12s
test (1.6, short, ubuntu-latest)	56m 14s
doctest (nightly, ubuntu-latest)	24m 6s
test (1.6, long, ubuntu-latest)	43m 39s
doctest (1.10, ubuntu-latest, depwarn=error)	24m 20s
test (1.9, short, ubuntu-latest)	50m 35s
doctest (1.10, macOS-14)	17m 15s
test (1.9, long, ubuntu-latest)	36m 7s
test (1.10, short, ubuntu-latest)	41m 5s
test (1.10, long, ubuntu-latest)	36m 48s
test (nightly, short, ubuntu-latest)	49m 21s
test (nightly, long, ubuntu-latest)	40m 56s
test (1.10, short, ubuntu-latest, depwarn=error)	42m 1s
test (1.10, long, ubuntu-latest, depwarn=error)	38m 38s
test (1.10, short, macOS-14)	41m 6s
test (1.10, long, macOS-latest)	46m 8s
	10h 36m 25s

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