mypy

gh-146579: _zstd: Fix decompression options dict error message (#146577) #20256

Job	Run time
Run mypy on Lib/tomllib	15s
Run mypy on Lib/_pyrepl	16s
Run mypy on Tools/peg_generator	17s
Run mypy on Lib/test/libregrtest	18s
Run mypy on Tools/jit	17s
Run mypy on Tools/cases_generator	18s
Run mypy on Tools/check-c-api-docs	19s
Run mypy on Tools/build	17s
Run mypy on Tools/clinic	19s
	2m 36s

Provide feedback