Update python-license-expression to version 30.3.0 / rev 7 via SR 1160834
https://build.opensuse.org/request/show/1160834
by user dirkmueller + anag+factory
- update to 30.3.0:
* Use latest skeleton
* Update license list to latest ScanCode and SPDX 3.23
* Drop support for Python 3.7