[issue43725] Create a release branch ABI stability regression test

[Pablo Galindo Salgado]

Change by Pablo Galindo Salgado <pablogsal at gmail.com>:


----------
pull_requests: +23967
pull_request: https://github.com/python/cpython/pull/25230

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43725>
_______________________________________