Tests

[mypyc] Fix unsupported imports for type annotations #19694

Job	Run time
Test mypyc suite with 32-bit Python	9m 13s
Test suite with py311-ubuntu	9m 11s
Test suite with py312-ubuntu	10m 0s
Test suite with py313-ubuntu, mypyc-compiled	13m 19s
Test suite with py314-ubuntu, mypyc-compiled	14m 23s
Test suite with py314t-ubuntu, mypyc-compiled	16m 16s
Test suite with py314-windows-64	27m 26s
mypyc runtime tests with py310-ubuntu	4m 53s
Test suite with py310-ubuntu, mypyc-compiled	14m 9s
mypyc runtime tests with py313-macos	4m 17s
Parallel tests with py314-ubuntu, interpreted	22m 26s
Type check our own code (py310-ubuntu)	1m 42s
Parallel tests with py314-ubuntu, mypyc-compiled	25m 59s
Type check our own code (py310-windows-64)	2m 25s
Formatting and code style with Black + ruff	1m 54s
	2h 57m 33s

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