astro/kosmorro: Fix PLIST issue with py-poetry-core 2.0.0+
> Checking for pkg-plist issues (check-plist)
> Parsing plist
> Checking for items in STAGEDIR missing from pkg-plist
> Checking for items in pkg-plist which are not in STAGEDIR
Error: Missing: %%PYTHON_SITELIBDIR%%/CHANGELOG.md
> Error: Plist issues found.
- Error code 1
Approved by: portmgr (blanket)
With hat: python