[issue40506] add support for os.Pathlike filenames in zipfile.ZipFile.writestr

[Domenico Ragusa]

Change by Domenico Ragusa <domenicoragusa at gmail.com>:


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pull_requests: +19314
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/20002

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40506>
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