Fixed spelling issues. #13169

Job	Run time
Test mypyc suite with 32-bit Python	6m 43s
Test suite with py38-ubuntu, mypyc-compiled	17m 50s
Test suite with py38-windows-64	19m 33s
Test suite with Python nightly	14m 26s
Test suite with py39-ubuntu	19m 19s
Test suite with py310-ubuntu	16m 17s
Test suite with py311-ubuntu, mypyc-compiled	16m 3s
Test suite with py312-ubuntu, mypyc-compiled	18m 31s
mypyc runtime tests with py39-macos	4m 37s
mypyc runtime tests with py38-debug-build-ubuntu	4m 30s
Type check our own code (py38-ubuntu)	1m 44s
Type check our own code (py38-windows-64)	2m 13s
Formatting and code style with Black + ruff	36s
	2h 22m 22s

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