mypy

gh-148395: Fix a possible UAF in `{LZMA,BZ2,_Zlib}Decompressor` (GH-1… #20663

Job	Run time
Run mypy on Tools/clinic	17s
Run mypy on Lib/_pyrepl	19s
Run mypy on Tools/cases_generator	19s
Run mypy on Lib/test/libregrtest	19s
Run mypy on Tools/build	17s
Run mypy on Tools/jit	18s
Run mypy on Tools/check-c-api-docs	15s
Run mypy on Tools/peg_generator	20s
Run mypy on Lib/tomllib	15s
	2m 39s

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