Update python-cyclopts to 4.20.0: add 'cyclopts tree' command, Parameter.short_alias, ArgumentCollection.filter_by(missing=...); fix leading-hyphen parsing regression OBS-URL: https://build.opensuse.org/request/show/1362571 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/python-cyclopts?expand=0&rev=2