* Update to Unicode 15.0.0
* Migrate to pyproject.toml for build information (PEP 621)
* Correct another instance where generic exception was raised instead of
IDNAError for malformed input
* Source distribution uses zeroized file ownership for improved
reproducibility
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-idna?expand=0&rev=27