chore: add [async] extra to match repo-review 1.0 #2191

Job	Run time
change-detection / Identify source changes	8s
rr-tests / Action	17s
rr-tests / Run pylint	14s
rr-tests / Run cog on README	14s
rr-tests / Check Python 3.12 on macos-latest	26s
rr-tests / Check Python 3.10 on windows-latest	48s
cookie	0s
rr-tests / Check Python 3.14 on macos-15-intel	57s
rr-tests / Check Python 3.12 on ubuntu-latest	35s
rr-tests / Check Python 3.10 on macos-latest	43s
rr-tests / Check Python 3.10 on ubuntu-latest	32s
rr-tests / Check Python 3.10 on macos-15-intel	1m 12s
rr-tests / Check Python 3.12 on macos-15-intel	59s
rr-tests / Check Python 3.14 on windows-latest	54s
rr-tests / Check Python 3.14 on ubuntu-latest	35s
rr-tests / Check Python 3.14 on macos-latest	27s
rr-tests / Check Python 3.12 on windows-latest	45s
pass	5s
	9m 51s

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