Tests

Bump filelock from 3.20.0 to 3.20.1 #19809

Job	Run time
Test mypyc suite with 32-bit Python	9m 28s
Test suite with py314t-ubuntu, mypyc-compiled	16m 20s
Test suite with py313-ubuntu, mypyc-compiled	14m 31s
Test suite with py314-windows-64	27m 35s
Test suite with py311-ubuntu	9m 34s
mypyc runtime tests with py313-macos	6m 30s
Test suite with py314-ubuntu, mypyc-compiled	14m 45s
Parallel tests with py314-ubuntu, mypyc-compiled	27m 53s
mypyc runtime tests with py310-ubuntu	5m 9s
Test suite with py310-ubuntu, mypyc-compiled	14m 1s
Test suite with py312-ubuntu	10m 8s
Formatting and code style with Black + ruff	1m 56s
Type check our own code (py310-windows-64)	2m 30s
Type check our own code (py310-ubuntu)	1m 38s
Parallel tests with py314-ubuntu, interpreted	24m 4s
	3h 6m 2s

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