Sync typeshed #13164

Job	Run time
Test mypyc suite with 32-bit Python	6m 47s
Test suite with Python nightly	14m 9s
Test suite with py38-ubuntu, mypyc-compiled	17m 38s
Test suite with py38-windows-64	20m 6s
Test suite with py39-ubuntu	19m 26s
Test suite with py310-ubuntu	16m 59s
Test suite with py311-ubuntu, mypyc-compiled	15m 26s
Test suite with py312-ubuntu, mypyc-compiled	18m 5s
mypyc runtime tests with py39-macos	4m 16s
mypyc runtime tests with py38-debug-build-ubuntu	4m 39s
Type check our own code (py38-ubuntu)	1m 50s
Type check our own code (py38-windows-64)	2m 29s
Formatting and code style with Black + ruff	33s
	2h 22m 23s

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