fix: Update test requirements

[fsbraun]

Update test requirements for django CMS 4.1

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 38.03%. Comparing base (3316d28) to head (399c477).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #25   +/-   ##
=======================================
  Coverage   38.03%   38.03%           
=======================================
  Files           5        5           
  Lines         255      255           
  Branches       33       33           
=======================================
  Hits           97       97           
  Misses        157      157           
  Partials        1        1           

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