fix: update base packages to resolve various security flaws

[donbowman]

I have updated the Dockerfile (24.04) and the requirements.txt. I have done some testing and it seems ok, but I suppose there might be some incompatibility somewhere.

This resolves a large number of CVE in the various packages.

[donbowman]

should also remove Flask-Script as its deprecated in favour of built in flask cli (see https://flask-script.readthedocs.io/en/latest/) new cli is https://flask.palletsprojects.com/en/stable/cli/

https://blog.miguelgrinberg.com/post/migrating-from-flask-script-to-the-new-flask-cli