Tests

[mypyc] Add primitives for bytes and str multiply #19497

Job	Run time
Test mypyc suite with 32-bit Python	9m 3s
Test suite with py39-ubuntu, mypyc-compiled	15m 8s
Test suite with py310-ubuntu	12m 35s
Test suite with py311-ubuntu	9m 9s
Test suite with py312-ubuntu, mypyc-compiled	14m 54s
Test suite with py314-ubuntu, mypyc-compiled	14m 28s
Test suite with py313-ubuntu, mypyc-compiled	15m 46s
Type check our own code (py39-ubuntu)	1m 40s
mypyc runtime tests with py310-ubuntu	4m 55s
Type check our own code (py39-windows-64)	2m 21s
mypyc runtime tests with py313-macos	5m 25s
Formatting and code style with Black + ruff	1m 57s
Test suite with py314-windows-64	26m 50s
	2h 14m 11s

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