Tests

Fix regression in dataclass narrowing for Python >= 3.13 #22654

Job	Run time
Test mypyc suite with 32-bit Python	11m 2s
Formatting and code style with Black + ruff	1m 47s
Type check our own code (py310-windows-64)	1m 47s
Type check our own code (py310-ubuntu)	1m 13s
Parallel tests with py314-windows-64, interpreted	7m 25s
Parallel tests with py314-ubuntu, mypyc-compiled	30m 58s
mypyc runtime tests with py313-macos	6m 14s
Test suite with py314-ubuntu, mypyc-compiled	15m 56s
Test suite with py311-ubuntu	10m 14s
Test suite with py315-ubuntu, mypyc-compiled	15m 59s
Test suite with py313-ubuntu, mypyc-compiled	16m 21s
Parallel tests with py314-ubuntu, interpreted	27m 33s
mypyc runtime tests with py310-ubuntu	7m 44s
Test suite with py314-windows-64	31m 56s
Test suite with py312-ubuntu	10m 10s
Test suite with py314t-ubuntu, mypyc-compiled	18m 3s
Test suite with py310-ubuntu, mypyc-compiled	16m 47s
	3h 51m 9s

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