Sync typeshed #13117

Job	Run time
Test suite with Python nightly	14m 11s
Test mypyc suite with 32-bit Python	6m 50s
Test suite with py38-ubuntu, mypyc-compiled	18m 6s
Test suite with py38-windows-64	19m 53s
Test suite with py39-ubuntu	16m 41s
Test suite with py310-ubuntu	15m 40s
Test suite with py311-ubuntu, mypyc-compiled	15m 35s
Test suite with py312-ubuntu, mypyc-compiled	17m 49s
mypyc runtime tests with py39-macos	7m 46s
mypyc runtime tests with py38-debug-build-ubuntu	4m 29s
Type check our own code (py38-ubuntu)	1m 50s
Type check our own code (py38-windows-64)	2m 56s
Formatting and code style with Black + ruff	34s
	2h 22m 20s

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