[PEP 695] Partial support for new type parameter syntax in Python 3.1… #12395

Job	Run time
Test mypyc suite with 32-bit Python	7m 19s
Test suite with py38-ubuntu, mypyc-compiled	17m 21s
Test suite with py38-windows-64	20m 20s
Test suite with py39-ubuntu	16m 8s
Test suite with py310-ubuntu	15m 49s
Test suite with py311-ubuntu, mypyc-compiled	17m 55s
Test suite with py312-ubuntu, mypyc-compiled	17m 15s
mypyc runtime tests with py39-macos	5m 26s
mypyc runtime tests with py38-debug-build-ubuntu	4m 25s
Type check our own code (py38-ubuntu)	1m 50s
Type check our own code (py38-windows-64)	2m 38s
Formatting and code style with Black + ruff	39s
	2h 7m 5s

Provide feedback