feat: add attestations (#445) #1336

Job	Run time
change-detection / Identify source changes	3s
cookie / Distribution build	4m 2s
cookie / Format	3m 50s
cookie / Check Python 3.8 on ubuntu-latest	1m 56s
cookie / Check included Noxfile	4m 0s
cookie / Check Python 3.8 on windows-latest	4m 19s
cookie / Check Python 3.8 on macos-14	2m 3s
rr-tests / Action	16s
rr-tests / Check Python 3.10 on ubuntu-latest	14s
cookie / Check Python 3.12 on ubuntu-latest	2m 5s
rr-tests / Run cog on README	12s
rr-tests / Check Python 3.10 on macos-14	11s
cookie / Check Python 3.12 on windows-latest	6m 49s
rr-tests / Check Python 3.10 on windows-latest	1m 7s
cookie / Check Python 3.12 on macos-14	1m 39s
rr-tests / Check Python 3.11 on ubuntu-latest	15s
cookie / Check Python pypy-3.9 on ubuntu-latest	3m 53s
rr-tests / Check Python 3.11 on macos-14	13s
rr-tests / Check Python 3.11 on windows-latest	46s
rr-tests / Check Python 3.12 on ubuntu-latest	10s
rr-tests / Check Python 3.12 on macos-14	11s
rr-tests / Check Python 3.12 on windows-latest	50s
cookie / pass	1s
pass	1s
	39m 6s

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