Sync typeshed #10690

Job	Run time
Test suite with py38-ubuntu, mypyc-compiled	26m 5s
Test suite with py38-windows-64	40m 54s
Test suite with py39-ubuntu	27m 23s
Test suite with py310-ubuntu	23m 48s
Test suite with py311-ubuntu, mypyc-compiled	25m 30s
Test suite with py312-ubuntu, mypyc-compiled	23m 43s
mypyc runtime tests with py38-macos	9m 9s
mypyc runtime tests with py38-debug-build-ubuntu	8m 35s
Type check our own code (py38-ubuntu)	3m 0s
Type check our own code (py38-windows-64)	2m 15s
Formatting and code style with Black + ruff	56s
Test mypyc suite with 32-bit Python	18m 46s
	3h 30m 4s

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