Log Message:
py-flask: updated to 2.2.2

Version 2.2.2
-------------
-   Update Werkzeug dependency to >= 2.2.2. This includes fixes related
    to the new faster router, header parsing, and the development
    server. :pr:`4754`
-   Fix the default value for ``app.env`` to be ``"production"``. This
    attribute remains deprecated. :issue:`4740`