Add info about dropping Python 3 since v18.0.0
Python 3, the new best practice, is here to stay.
Python 2 will retire in only <time></time>!
</a>
+ <p>
+ Since version 18.0.0 CherryPy has
+ <a href="https://python3statement.org" target="_blank">dropped
+ support for Python 2</a>,
+ but there's still LTS branch for v17 supporting hybrid
+ Python 2 and 3 code, which will get bugfixes and security updates.
+ </p>
</aside>
<!-- Python 2 EOL Clock -->
