Remove incompatible python+django version combinations from CI

[Qup42]

Description of the Change

The pipeline tests are failing for djmain with python < 3.10 because the main branch of django requires python >= 3.10. This PR removes the incompatible python versions from the djmain step.

Why did the tests break?

Django has released 4.2 alpha 1¹ with a feature freeze on 17/01/2023. This means that the main branch is now working towards 5.0 and has thus dropped python < 3.10² on 18/01/2023.

Checklist

• PR only contains one change (considered splitting up PR)
• unit-test added
• documentation updated
• CHANGELOG.md updated (only for user relevant changes)
• author name in AUTHORS

Footnotes

1. https://www.djangoproject.com/weblog/2023/jan/17/django-42-alpha-1-released/ ↩

2. https://docs.djangoproject.com/en/dev/faq/install/#what-python-version-can-i-use-with-django ↩

[n2ygk]

Thanks!

[codecov]

Codecov Report

Merging #1245 (a991f94) into master (8772ac7) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1245   +/-   ##
=======================================
  Coverage   96.97%   96.97%           
=======================================
  Files          31       31           
  Lines        1821     1821           
=======================================
  Hits         1766     1766           
  Misses         55       55           

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