Update Python and dependencies versions

[FedericoNegri]

Description

Since Python 3.12 is out, can drop 3.8 (and 3.7 which was still around...). Therefore now running:

• quick build (for PRs) on Python 3.10
• nightly build on Python 3.9 & 3.11

Also, upgrading dependencies.

Note: not yet running the nightly tests with Python 3.12 because we get this error during the pytest discovery

Locally on Windows it works fine. I suspect it has to do with tox - will create a follow-up item to investigate.

Checklist

Please complete the following checklist before submitting your pull request:

• I have tested these changes locally and verified that they work as intended.
• I have updated any documentation as needed to reflect these changes (if appropriate)
• I have verified that these changes to the best of my knowledge do not introduce any security vulnerabilities.
• Unit tests have been added (if appropriate)
• Test-cases have been added (if appropriate)
• Testing instructions have been added (if appropriate)