Tests

Add functools.lru_cache plugin support Fixes #16261 #19857

Job	Run time
Test mypyc suite with 32-bit Python	1m 41s
Test suite with py312-ubuntu	1m 55s
Test suite with py314-ubuntu, mypyc-compiled	1m 55s
Test suite with py310-ubuntu, mypyc-compiled	1m 54s
mypyc runtime tests with py310-ubuntu	1m 53s
Test suite with py311-ubuntu	1m 53s
Test suite with py314t-ubuntu, mypyc-compiled	1m 54s
Type check our own code (py310-windows-64)	1m 42s
mypyc runtime tests with py313-macos	2m 0s
Type check our own code (py310-ubuntu)	1m 24s
Test suite with py313-ubuntu, mypyc-compiled	1m 54s
Test suite with py314-windows-64	1m 49s
Formatting and code style with Black + ruff	1m 46s
Parallel tests with py314-ubuntu, interpreted	1m 55s
Parallel tests with py314-ubuntu, mypyc-compiled	1m 54s
	27m 29s

Provide feedback