Add test with oldest dependencies to CI

[thorbjoernl]

Change Summary

Related issue number

fix #1153

Checklist

• Start with a draft-PR
• The PR title is a good summary of the changes
• PR is set to AeroTools and a tentative milestone
• Documentation reflects the changes where applicable
• Tests for the changes exist where applicable
• Tests pass locally
• Tests pass on CI
• At least 1 reviewer is selected
• Make PR ready to review

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.69%. Comparing base (6d4aea3) to head (3b3407e).
Report is 6 commits behind head on main-dev.

❗ Current head 3b3407e differs from pull request most recent head baa2b57. Consider uploading reports for the commit baa2b57 to get more accurate results

Additional details and impacted files

@@            Coverage Diff            @@
##           main-dev    #1154   +/-   ##
=========================================
  Coverage     78.69%   78.69%           
=========================================
  Files           127      127           
  Lines         20090    20090           
=========================================
  Hits          15810    15810           
  Misses         4280     4280           

Flag	Coverage Δ
unittests	78.69% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[heikoklein]

Please don't increase the number of CI-tests, max 4. I'd rather like the 3.10 test to be the 'old version' test, including the old dependencies.

[avaldebe]

can this logic be moved to the tox environment for python 3.10?
that way the same test can be run locally and there is no need to change the jobs on CI