Jarn.mkrelease

----------------

- Switch to PEP420 namespace packages. Please upgrade all jarn.* packages.
[stefan]

- Replace pkg_resources with importlib.metadata.
[stefan]

- Require Python >= 3.7.
[stefan]

----------------

- Update tox.ini for latest tox.
[stefan]

- Filter deprecated config warning.
[stefan]

- Fix invalid escape sequences.
[stefan]

- The ``rev`` part of Git URLs no longer defaults to 'master'.
[stefan]

----------------

- Support setuptools >= 65.6.0.
[stefan]

----------------

- Support Python 2.7 - 3.11.
[stefan]

- Do not require setup.py or setup.cfg if pyproject.toml exists.
[stefan]

- Filter some deprecation warnings.
[stefan]

- Disable twine progress bars in non-interactive mode.
[stefan]

----------------

- NEW: File finder extensions are no longer installed by default.
[stefan]

- NEW: push is now on by default
[stefan]

- NEW: register is now off by default
[stefan]

- NEW: formats now defaults to gztar + wheel
[stefan]

- Do not require setup.py if setup.cfg exists.
[stefan]

- Switch to the nose2 test runner for its fast multiprocessing plugin.
[stefan]

----------------

- Support Python 2.7 - 3.10.
[stefan]

- Support local distutils in setuptools >= 60.0.0.
[stefan]

- Add output colors.
[stefan]

- Require twine_ for register and upload operations.
[stefan]

- Move metadata to setup.cfg.
[stefan]

- Move tests out of ``jarn.mkrelease`` namespace.
[stefan]

- Include tests in sdist but not in wheel.
[stefan]