Tests

Bump filelock from 3.20.0 to 3.20.3 #20533

Job	Run time
Test mypyc suite with 32-bit Python	9m 52s
Type check our own code (py310-ubuntu)	1m 42s
Test suite with py310-ubuntu, mypyc-compiled	14m 53s
Parallel tests with py314-ubuntu, mypyc-compiled	28m 46s
Test suite with py314-ubuntu, mypyc-compiled	14m 33s
Test suite with py314-windows-64	26m 18s
mypyc runtime tests with py310-ubuntu	5m 22s
Test suite with py312-ubuntu	8m 33s
Test suite with py314t-ubuntu, mypyc-compiled	17m 8s
Parallel tests with py314-ubuntu, interpreted	25m 39s
Test suite with py313-ubuntu, mypyc-compiled	14m 20s
Type check our own code (py310-windows-64)	3m 16s
mypyc runtime tests with py313-macos	6m 20s
Test suite with py311-ubuntu	8m 33s
Formatting and code style with Black + ruff	1m 49s
	3h 7m 4s

Provide feedback