* Update documentation entry for 21.1.
* Update pin to pyparsing to exclude 3.0.0.
* PEP 656: musllinux support
* Drop support for Python 2.7, Python 3.4 and Python 3.5.
* Replace distutils usage with sysconfig
* Add support for zip files in ``parse_sdist_filename``
* Use cached ``_hash`` attribute to short-circuit tag equality comparisons
* Specify the default value for the ``specifier`` argument to ``SpecifierSet``
* Proper keyword-only "warn" argument in packaging.tags
* Correctly remove prerelease suffixes from ~= check
* Fix type hints for ``Version.post`` and ``Version.dev``
* Use typing alias ``UnparsedVersion``
* Improve type inference for ``packaging.specifiers.filter()``
* Tighten the return type of ``canonicalize_version()``
- drop no-legacyversion-warning.patch: setuptools has been updated
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-packaging?expand=0&rev=50
