Tests

Sync typeshed (#21232) #22152

Job	Run time
Test mypyc suite with 32-bit Python	11m 10s
Test suite with py311-ubuntu	9m 19s
Test suite with py312-ubuntu	10m 7s
Test suite with py313-ubuntu, mypyc-compiled	15m 44s
Test suite with py314-ubuntu, mypyc-compiled	16m 21s
mypyc runtime tests with py310-ubuntu	7m 4s
Type check our own code (py310-windows-64)	2m 6s
Parallel tests with py314-ubuntu, mypyc-compiled	27m 14s
Test suite with py314t-ubuntu, mypyc-compiled	18m 3s
Test suite with py310-ubuntu, mypyc-compiled	16m 40s
Formatting and code style with Black + ruff	1m 54s
Parallel tests with py314-ubuntu, interpreted	25m 43s
Test suite with py314-windows-64	28m 56s
Type check our own code (py310-ubuntu)	1m 9s
mypyc runtime tests with py313-macos	7m 34s
Parallel tests with py314-windows-64, interpreted	11m 41s
	3h 30m 45s

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