Tests

Add --list-install-types flag #21952

Job	Run time
Test mypyc suite with 32-bit Python	10m 6s
Test suite with py311-ubuntu	9m 22s
Test suite with py314t-ubuntu, mypyc-compiled	17m 59s
Test suite with py312-ubuntu	9m 15s
Test suite with py314-ubuntu, mypyc-compiled	15m 47s
Test suite with py313-ubuntu, mypyc-compiled	15m 59s
Test suite with py310-ubuntu, mypyc-compiled	16m 2s
Type check our own code (py310-windows-64)	2m 36s
Formatting and code style with Black + ruff	2m 2s
Parallel tests with py314-ubuntu, mypyc-compiled	20m 36s
mypyc runtime tests with py313-macos	5m 0s
mypyc runtime tests with py310-ubuntu	6m 44s
Parallel tests with py314-ubuntu, interpreted	20m 35s
Test suite with py314-windows-64	20m 28s
Type check our own code (py310-ubuntu)	1m 7s
Parallel tests with py314-windows-64, interpreted	12m 52s
	3h 6m 30s

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