📝 Update release notes

[skip ci]

Author: github-actions

Diff for: README.md

@@ -824,6 +824,7 @@ All the image tags, configurations, environment variables and application option
 
 #### Upgrades
 
+* ⬆ Bump flask from 2.2.5 to 3.1.0. PR [#391](https://github.com/tiangolo/uwsgi-nginx-flask-docker/pull/391) by [@dependabot[bot]](https://github.com/apps/dependabot).
 * 🔥 Drop support for Python 3.7 and 3.8. PR [#388](https://github.com/tiangolo/uwsgi-nginx-flask-docker/pull/388) by [@tiangolo](https://github.com/tiangolo).
 
 #### Internal