Tests

Merge error code lists into one page (Fixes #20077) #20079

Job	Run time
Test mypyc suite with 32-bit Python	9m 29s
Test suite with py314t-ubuntu, mypyc-compiled	16m 38s
Test suite with py311-ubuntu	9m 17s
Type check our own code (py310-ubuntu)	1m 39s
Parallel tests with py314-ubuntu, interpreted	23m 36s
Test suite with py314-windows-64	27m 22s
Test suite with py310-ubuntu, mypyc-compiled	15m 16s
Test suite with py314-ubuntu, mypyc-compiled	15m 1s
Type check our own code (py310-windows-64)	2m 29s
Test suite with py313-ubuntu, mypyc-compiled	14m 15s
mypyc runtime tests with py313-macos	4m 40s
Test suite with py312-ubuntu	9m 48s
Formatting and code style with Black + ruff	1m 59s
mypyc runtime tests with py310-ubuntu	5m 17s
Parallel tests with py314-ubuntu, mypyc-compiled	27m 23s
	3h 4m 9s

Provide feedback