Update typeshed #12672

Job	Run time
Test mypyc suite with 32-bit Python	7m 30s
Test suite with py38-ubuntu, mypyc-compiled	16m 33s
Test suite with py38-windows-64	19m 58s
Test suite with py39-ubuntu	16m 19s
Test suite with py310-ubuntu	15m 45s
Test suite with py311-ubuntu, mypyc-compiled	15m 41s
Test suite with py312-ubuntu, mypyc-compiled	18m 25s
mypyc runtime tests with py39-macos	7m 38s
mypyc runtime tests with py38-debug-build-ubuntu	4m 33s
Type check our own code (py38-ubuntu)	1m 55s
Type check our own code (py38-windows-64)	2m 27s
Formatting and code style with Black + ruff	37s
	2h 7m 21s

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