[issue46224] doc: Fix bisect example using mutable function default

[Sardorbek Imomaliev]

Sardorbek Imomaliev <imomaliev at hey.com> added the comment:

It was changed from that in 2010

https://github.com/python/cpython/commit/20933e08b12b4e66c6e1baf662a679b4008d9dce

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<https://bugs.python.org/issue46224>
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