Tests

[docs] Small improvement to report `--help` documentation #18057

Job	Run time
Test mypyc suite with 32-bit Python	8m 55s
Test suite with py313-ubuntu, mypyc-compiled	13m 16s
Test suite with py311-ubuntu	8m 36s
Test suite with py312-ubuntu, mypyc-compiled	15m 11s
Test suite with py39-ubuntu, mypyc-compiled	14m 30s
Formatting and code style with Black + ruff	1m 42s
Type check our own code (py39-windows-64)	2m 28s
Test suite with py310-ubuntu	10m 46s
Type check our own code (py39-ubuntu)	1m 39s
mypyc runtime tests with py39-macos	6m 3s
Test suite with py314-dev-ubuntu	17m 13s
Test suite with py313-windows-64	26m 3s
	2h 6m 22s

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