feat: allow pyrefly instead of mypy #2242

Job	Run time
change-detection / Identify source changes	12s
rr-tests / Run pylint	15s
rr-tests / Action	18s
rr-tests / Run cog on README	10s
rr-tests / Check Python 3.12 on macos-15-intel	52s
rr-tests / Check Python 3.10 on macos-15-intel	1m 18s
rr-tests / Check Python 3.10 on windows-latest	52s
rr-tests / Check Python 3.10 on ubuntu-latest	31s
rr-tests / Check Python 3.14 on ubuntu-latest	39s
rr-tests / Check Python 3.14 on macos-15-intel	2m 2s
rr-tests / Check Python 3.12 on windows-latest	59s
rr-tests / Check Python 3.14 on windows-latest	51s
rr-tests / Check Python 3.12 on ubuntu-latest	27s
rr-tests / Check Python 3.14 on macos-latest	28s
rr-tests / Check Python 3.12 on macos-latest	34s
rr-tests / Check Python 3.10 on macos-latest	42s
cookie	0s
pass	5s
	11m 15s

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