Pyp2rpm

* Fix tests on Python 3.12

* Fix tests when using setuptools >= 67 (issue 290)
* Use sphinx-build-%{python3_version} on EPEL7 (issue 272)

* Sync dependency conversion with pyreq2rpm

* Ensure that all tests pass under Python 3.10
* Include rc/post/dev in version (issue 259)
* Handle all-zero versions without crashing
* Don't process PyPI version list if user specifies a version (issue 243)
* Ensure that sdist is complete, and utest and JSON test data are included
* Wait for rpmdev-setuptree to exit (issue 266)

* Improve logging of rpmbuild output (issue 252)
* Sort releases so that the API ordering no longer affects local behavior (issue 251)

* Replace PyPI XML-RPC client with JSON client.