feat: use PEP 639 where possible #1677

Job	Run time
change-detection / Identify source changes	4s
rr-tests / Action	14s
rr-tests / Run cog on README	9s
rr-tests / Run pylint	14s
rr-tests / Check Python 3.10 on ubuntu-latest	16s
rr-tests / Check Python 3.10 on macos-14	32s
cookie / Check Python 3.9 on ubuntu-latest	2m 10s
cookie / Distribution build	3m 23s
rr-tests / Check Python 3.10 on windows-latest	27s
cookie / Check Python 3.9 on windows-latest	6m 35s
rr-tests / Check Python 3.11 on ubuntu-latest	16s
cookie / Check Python 3.9 on macos-latest	2m 2s
rr-tests / Check Python 3.11 on macos-14	15s
cookie / Check Python 3.13 on ubuntu-latest	2m 13s
cookie / Check included Noxfile	4m 12s
rr-tests / Check Python 3.11 on windows-latest	39s
cookie / Check Python 3.13 on windows-latest	5m 24s
rr-tests / Check Python 3.12 on ubuntu-latest	16s
cookie / Check Python 3.13 on macos-latest	2m 21s
rr-tests / Check Python 3.12 on macos-14	17s
cookie / Check Python pypy-3.10 on ubuntu-latest	3m 28s
cookie / Format	3m 41s
rr-tests / Check Python 3.12 on windows-latest	45s
rr-tests / Check Python 3.13 on ubuntu-latest	18s
rr-tests / Check Python 3.13 on macos-14	20s
rr-tests / Check Python 3.13 on windows-latest	34s
cookie / pass	2s
pass	3s
	41m 10s

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