There is an updated pull request by pfpulux against master on the void-packages repository

https://github.com/pfpulux/void-packages python3-Flask
https://github.com/void-linux/void-packages/pull/38575

python3-Flask: update to 2.2.2.
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#### Testing the changes
- I tested the changes in this PR: **YES**

This need `python3-Werkzeug >= 2.2.2` to check and run

A patch file from https://github.com/void-linux/void-packages/pull/38575.patch is attached