Tests

Bump version to 2.2.0+dev (#21451) #22213

Job	Run time
Test mypyc suite with 32-bit Python	11m 15s
Test suite with py314t-ubuntu, mypyc-compiled	18m 9s
mypyc runtime tests with py310-ubuntu	6m 47s
Test suite with py311-ubuntu	9m 13s
mypyc runtime tests with py313-macos	5m 7s
Test suite with py310-ubuntu, mypyc-compiled	17m 2s
Test suite with py313-ubuntu, mypyc-compiled	16m 17s
Test suite with py314-ubuntu, mypyc-compiled	15m 48s
Test suite with py312-ubuntu	10m 4s
Parallel tests with py314-ubuntu, mypyc-compiled	27m 23s
Test suite with py315-ubuntu, mypyc-compiled	15m 46s
Test suite with py314-windows-64	30m 25s
Parallel tests with py314-windows-64, interpreted	11m 14s
Type check our own code (py310-ubuntu)	1m 10s
Parallel tests with py314-ubuntu, interpreted	24m 15s
Type check our own code (py310-windows-64)	1m 52s
Formatting and code style with Black + ruff	1m 59s
	3h 43m 46s

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