Update packaging guide and repo-review to match spec13 #1316

Job	Run time
change-detection / Identify source changes	7s
rr-tests / Action	15s
rr-tests / Check Python 3.10 on ubuntu-latest	24s
cookie / Format	4m 9s
rr-tests / Run cog on README	10s
cookie / Check included Noxfile	1m 16s
rr-tests / Check Python 3.10 on macos-14	10s
rr-tests / Check Python 3.10 on windows-latest	37s
rr-tests / Check Python 3.11 on ubuntu-latest	20s
rr-tests / Check Python 3.11 on macos-14	21s
cookie / Check Python 3.8 on ubuntu-latest	17s
cookie / Distribution build	4m 26s
rr-tests / Check Python 3.11 on windows-latest	57s
rr-tests / Check Python 3.12 on ubuntu-latest	9s
rr-tests / Check Python 3.12 on macos-14	11s
rr-tests / Check Python 3.12 on windows-latest	50s
cookie / Check Python 3.8 on windows-latest	30s
cookie / Check Python 3.8 on macos-14	52s
cookie / Check Python 3.12 on ubuntu-latest	12s
cookie / Check Python 3.12 on windows-latest	33s
cookie / Check Python 3.12 on macos-14	12s
cookie / Check Python pypy-3.9 on ubuntu-latest	29s
cookie / pass	4s
pass	3s
	17m 34s

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