Tests

Fix crash involving Unpack-ed TypeVarTuple #19552

Job	Run time
Test mypyc suite with 32-bit Python	3m 36s
Test suite with py311-ubuntu	3m 34s
Test suite with py314-ubuntu, mypyc-compiled	3m 33s
mypyc runtime tests with py310-ubuntu	3m 36s
Test suite with py312-ubuntu	3m 33s
Test suite with py313-ubuntu, mypyc-compiled	3m 32s
Test suite with py314-windows-64	2m 43s
Test suite with py310-ubuntu, mypyc-compiled	3m 34s
Type check our own code (py310-ubuntu)	1m 34s
Type check our own code (py310-windows-64)	2m 15s
mypyc runtime tests with py313-macos	3m 37s
Formatting and code style with Black + ruff	1m 52s
	36m 59s

Provide feedback