mypy

gh-145176: Update CODEOWNERS for Emscripten migration to Platforms di… #21232

Job	Run time
Run mypy on Tools/jit	37s
Run mypy on Tools/clinic	34s
Run mypy on Lib/tomllib	28s
Run mypy on Lib/_pyrepl	34s
Run mypy on Lib/test/libregrtest	32s
Run mypy on Tools/cases_generator	24s
Run mypy on Tools/peg_generator	36s
Run mypy on Tools/check-c-api-docs	23s
Run mypy on Tools/build	29s
	4m 37s

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