Tests

Fix crash on invalid recursive variadic alias (#21572) #22476

Job	Run time
Test suite with py314-ubuntu, mypyc-compiled	15m 43s
Test suite with py315-ubuntu, mypyc-compiled	16m 10s
Test suite with py311-ubuntu	9m 53s
mypyc runtime tests with py313-macos	7m 53s
Test suite with py310-ubuntu, mypyc-compiled	17m 36s
Parallel tests with py314-ubuntu, mypyc-compiled	27m 37s
Type check our own code (py310-ubuntu)	1m 7s
mypyc runtime tests with py310-ubuntu	7m 20s
Test suite with py314t-ubuntu, mypyc-compiled	18m 10s
Test mypyc suite with 32-bit Python	10m 43s
Test suite with py312-ubuntu	9m 51s
Formatting and code style with Black + ruff	2m 1s
Parallel tests with py314-windows-64, interpreted	12m 51s
Test suite with py314-windows-64	29m 44s
Type check our own code (py310-windows-64)	2m 2s
Test suite with py313-ubuntu, mypyc-compiled	16m 20s
Parallel tests with py314-ubuntu, interpreted	24m 55s
	3h 49m 56s

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