Release v225

[edmorley]

To pick up:

• Add a deprecation warning for Python 3.7 #1404
• Add support for Python 3.10.10 and 3.11.2 #1405
• Update pipenv from 2020.11.15 to 2023.2.4 (/2022.4.8) #1407

[edmorley]

$ make publish
Deploy as version: v225 [y/n]? y

Auto packing the repository in background for optimum performance.
See "git help gc" for manual housekeeping.
Tagging commit 01d50e12230b89d450c6a65491bf119e66674c9f with v225...
Total 0 (delta 0), reused 0 (delta 0), pack-reused 0
To https://github.com/heroku/heroku-buildpack-python
 * [new tag]         v225 -> v225

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

Version  Released At               Status
───────  ────────────────────────  ─────────
225      2023-02-08T14:49:00.375Z  published