Tests

Fix negative narrowing for containers (#21411) #22120

Job	Run time
Test mypyc suite with 32-bit Python	9m 4s
Parallel tests with py314-ubuntu, mypyc-compiled	28m 20s
Test suite with py314-ubuntu, mypyc-compiled	15m 56s
Test suite with py314-windows-64	31m 12s
mypyc runtime tests with py310-ubuntu	7m 4s
Test suite with py314t-ubuntu, mypyc-compiled	18m 15s
Test suite with py310-ubuntu, mypyc-compiled	16m 33s
Type check our own code (py310-ubuntu)	1m 12s
Test suite with py312-ubuntu	9m 42s
Parallel tests with py314-ubuntu, interpreted	26m 5s
Type check our own code (py310-windows-64)	2m 57s
Parallel tests with py314-windows-64, interpreted	11m 36s
Test suite with py311-ubuntu	9m 18s
mypyc runtime tests with py313-macos	6m 1s
Test suite with py313-ubuntu, mypyc-compiled	15m 26s
Formatting and code style with Black + ruff	1m 52s
	3h 30m 33s

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