www/py-falcon: Update to 2.0.0

While here, add strip *.so (Q/A warning).

Changelog: https://falcon.readthedocs.io/en/stable/changes/2.0.0.html

PR: 246248
Submitted by: Goran Mekić <meka@tilda.center>
Approved by: lichray@gmail.com (maintainer)