ci: use macos-14's new Python 3.8+ support (#418) #1284

Job	Run time
change-detection / Identify source changes	6s
rr-tests / Run cog on README	10s
rr-tests / Check Python 3.10 on ubuntu-latest	9s
rr-tests / Action	16s
rr-tests / Check Python 3.10 on macos-14	26s
cookie / Check Python 3.8 on ubuntu-latest	1m 54s
rr-tests / Check Python 3.10 on windows-latest	30s
cookie / Check Python 3.8 on windows-latest	5m 22s
rr-tests / Check Python 3.11 on ubuntu-latest	12s
cookie / Check Python 3.8 on macos-14	2m 24s
cookie / Distribution build	4m 21s
rr-tests / Check Python 3.11 on macos-14	15s
cookie / Check Python 3.12 on ubuntu-latest	1m 57s
cookie / Check Python 3.12 on windows-latest	7m 16s
rr-tests / Check Python 3.11 on windows-latest	44s
cookie / Check included Noxfile	3m 26s
cookie / Check Python 3.12 on macos-14	2m 38s
rr-tests / Check Python 3.12 on ubuntu-latest	14s
cookie / Check Python pypy-3.9 on ubuntu-latest	4m 35s
cookie / Format	3m 51s
rr-tests / Check Python 3.12 on macos-14	13s
rr-tests / Check Python 3.12 on windows-latest	48s
cookie / pass	1s
pass	4s
	41m 52s

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