Tests

Revert "Enable colored output for argparse help in Python 3.14 (#19021)" #17659

Job	Run time
Test mypyc suite with 32-bit Python	9m 43s
Test suite with py312-ubuntu, mypyc-compiled	16m 5s
Test suite with py313-ubuntu, mypyc-compiled	13m 16s
Test suite with py311-ubuntu	8m 38s
Test suite with py39-ubuntu, mypyc-compiled	16m 32s
Test suite with py314-dev-ubuntu	27m 16s
Test suite with py310-ubuntu	10m 41s
mypyc runtime tests with py39-macos	8m 0s
Test suite with py313-windows-64	22m 39s
Type check our own code (py39-windows-64)	2m 12s
Type check our own code (py39-ubuntu)	1m 36s
Formatting and code style with Black + ruff	1m 53s
	2h 18m 31s

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