fix: support macos-14, avoid macos-latest #1275

Job	Run time
change-detection / Identify source changes	5s
cookie / Format	4m 15s
cookie / Check included Noxfile	3m 27s
cookie / Distribution build	4m 43s
cookie / Check Python 3.8 on ubuntu-latest	2m 0s
rr-tests / Action	16s
rr-tests / Run cog on README	11s
cookie / Check Python 3.8 on windows-latest	6m 30s
rr-tests / Check Python 3.10 on ubuntu-latest	13s
cookie / Check Python 3.12 on ubuntu-latest	2m 14s
rr-tests / Check Python 3.10 on macos-14	28s
cookie / Check Python 3.12 on windows-latest	6m 36s
rr-tests / Check Python 3.10 on windows-latest	37s
cookie / Check Python pypy-3.9 on ubuntu-latest	4m 28s
rr-tests / Check Python 3.11 on ubuntu-latest	14s
cookie / Check Python 3.8 on macos-13	3m 14s
rr-tests / Check Python 3.11 on macos-14	13s
cookie / Check Python 3.12 on macos-14	1m 43s
rr-tests / Check Python 3.11 on windows-latest	47s
rr-tests / Check Python 3.12 on ubuntu-latest	16s
rr-tests / Check Python 3.12 on macos-14	13s
rr-tests / Check Python 3.12 on windows-latest	1m 6s
cookie / pass	2s
pass	2s
	43m 53s

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