[issue42995] Add PurePath.with_suffix_appended()

[Brendan Gerrity]

Change by Brendan Gerrity <bgerrity at ucdavis.edu>:


----------
keywords: +patch
pull_requests: +23109
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/24288

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42995>
_______________________________________