Release v226

[edmorley]

To pick up:

• Use Python 3.11 as the default Python version for new apps #1408
• Update wheel from 0.37.1 to 0.38.4 #1409

[edmorley]

$ make publish
Deploy as version: v226 [y/n]? y

Tagging commit 59e24ef8bbda64832b5dcc0145404ac73fa8f3cf with v226... 
Total 0 (delta 0), reused 0 (delta 0), pack-reused 0
To https://github.com/heroku/heroku-buildpack-python
 * [new tag]         v226 -> v226

Publishing to the buildpack registry...
Two-factor code: ********************************************
Publishing buildpack heroku/python... done
Publishing buildpack was successful

Version  Released At               Status
───────  ────────────────────────  ─────────
226      2023-02-14T09:36:41.437Z  published