games/py-mnemosyne-proj: Update to 2.11
- Rename to match PyPI name
- Switch to DISTVERSION
- Switch to pep517 build
- Remove run dependency on textproc/py-googletrans as upstream changed it to a new and optional dependency, not ported yet (google-trans-new)
ChangeLog: https://mnemosyne-proj.org/whats-new
PR: 274972