Tests

make `ParamSpecFlavor` an `IntEnum` and `ParamSpecType` generic in that type. #17371

Job	Run time
Test mypyc suite with 32-bit Python	8m 15s
Test suite with py312-ubuntu, mypyc-compiled	1m 1s
Test suite with py313-windows-64	22m 18s
Test suite with py313-ubuntu, mypyc-compiled	1m 8s
Test suite with py39-ubuntu, mypyc-compiled	1m 17s
Test suite with py310-ubuntu	10m 49s
Type check our own code (py39-windows-64)	2m 23s
mypyc runtime tests with py39-macos	6m 47s
Formatting and code style with Black + ruff	1m 46s
Test suite with py314-dev-ubuntu	3m 25s
Test suite with py311-ubuntu	8m 25s
Type check our own code (py39-ubuntu)	1m 38s
	1h 9m 12s

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