Tests

Add redundant-annotation warning #19472

Job	Run time
Test mypyc suite with 32-bit Python	8m 59s
Test suite with py39-ubuntu, mypyc-compiled	16m 11s
Test suite with py312-ubuntu, mypyc-compiled	14m 50s
Test suite with py313-ubuntu, mypyc-compiled	14m 8s
Test suite with py310-ubuntu	13m 15s
mypyc runtime tests with py313-macos	6m 28s
mypyc runtime tests with py310-ubuntu	4m 47s
Test suite with py314-windows-64	26m 25s
Test suite with py311-ubuntu	9m 36s
Type check our own code (py39-ubuntu)	1m 25s
Formatting and code style with Black + ruff	1m 58s
Type check our own code (py39-windows-64)	2m 18s
Test suite with py314-ubuntu, mypyc-compiled	13m 57s
	2h 14m 17s

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