Tests

Add Python version checks to native parser #22440

Job	Run time
Test mypyc suite with 32-bit Python	10m 44s
Test suite with py315-ubuntu, mypyc-compiled	16m 0s
Test suite with py312-ubuntu	10m 8s
Test suite with py311-ubuntu	9m 44s
mypyc runtime tests with py313-macos	5m 12s
Test suite with py313-ubuntu, mypyc-compiled	15m 39s
Parallel tests with py314-ubuntu, mypyc-compiled	30m 26s
Test suite with py314-ubuntu, mypyc-compiled	15m 46s
Test suite with py314t-ubuntu, mypyc-compiled	18m 23s
Test suite with py310-ubuntu, mypyc-compiled	17m 5s
Formatting and code style with Black + ruff	1m 53s
Parallel tests with py314-ubuntu, interpreted	25m 30s
Test suite with py314-windows-64	30m 40s
mypyc runtime tests with py310-ubuntu	7m 42s
Type check our own code (py310-ubuntu)	1m 13s
Parallel tests with py314-windows-64, interpreted	11m 38s
Type check our own code (py310-windows-64)	1m 44s
	3h 49m 27s

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