* docs: Drop SetupTools from pyproject.toml example
* Simplify PBR dependency on SetupTools
* Update setup.cfg example in Usage document
* Clarify PEP 517 implementation for users
- from version 6.1.1.0b1
* Set up PBR with setuptools as a dependency
* Use pyproject.toml
* Test pip and setup.py install behavior in PBR testing
* Remove the use of six from PBR
* Fix integration testing of current change
* Update PBR testing for Noble
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-pbr?expand=0&rev=166
