mypy

gh-146579: _zstd: Fix decompression options dict error message (#146577) #10357

Job	Run time
Run mypy on Tools/check-c-api-docs	21s
Run mypy on Tools/clinic	19s
Run mypy on Lib/_pyrepl	19s
Run mypy on Tools/jit	17s
Run mypy on Tools/build	19s
Run mypy on Tools/cases_generator	17s
Run mypy on Lib/tomllib	22s
Run mypy on Tools/peg_generator	22s
Run mypy on Lib/test/libregrtest	17s
	2m 53s

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