Tests

Sync typeshed #22323

Job	Run time
Test mypyc suite with 32-bit Python	10m 31s
mypyc runtime tests with py310-ubuntu	7m 6s
Test suite with py312-ubuntu	10m 7s
Test suite with py314-ubuntu, mypyc-compiled	16m 52s
Test suite with py315-ubuntu, mypyc-compiled	15m 34s
Type check our own code (py310-windows-64)	1m 55s
Test suite with py314-windows-64	31m 30s
Test suite with py313-ubuntu, mypyc-compiled	15m 55s
Parallel tests with py314-ubuntu, interpreted	26m 7s
Test suite with py311-ubuntu	9m 17s
Test suite with py310-ubuntu, mypyc-compiled	16m 52s
Type check our own code (py310-ubuntu)	1m 13s
mypyc runtime tests with py313-macos	8m 0s
Formatting and code style with Black + ruff	1m 58s
Parallel tests with py314-windows-64, interpreted	12m 54s
Test suite with py314t-ubuntu, mypyc-compiled	17m 31s
Parallel tests with py314-ubuntu, mypyc-compiled	33m 0s
	3h 56m 22s

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