Drop support for Django < 4.2, python < 3.10 and django CMS < 3.11

[protoroto]

Description

Drop support for Django < 4.2, python < 3.10 and django CMS < 3.11

References

Fix #121

Checklist

• I have read the contribution guide
• Code lint checked via inv lint
• changes file included (see docs)
• Usage documentation added in case of new features
• Tests added

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (5c1a44f) to head (ddd3aaf).
Report is 2 commits behind head on develop.

Additional details and impacted files

@@            Coverage Diff            @@
##           develop      #122   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            9        14    +5     
  Lines          152       177   +25     
  Branches        19        13    -6     
=========================================
+ Hits           152       177   +25     

Flag	Coverage Δ
unittests	100.00% <ø> (ø)

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[coveralls]

coverage: 100.0%. remained the same
when pulling ddd3aaf on feature/issue-121-drop-support-for-python-39-django32-djangocms-39
into 5c1a44f on develop.