Updating django-upgrade config

[deniszh]

it's pretty much no-op, so, why not

± pre-commit run django-upgrade --all-files
django-upgrade...........................................................Passed

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.42%. Comparing base (3020e45) to head (47aa2fc).
⚠️ Report is 38 commits behind head on master.
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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2889      +/-   ##
==========================================
+ Coverage   76.26%   76.42%   +0.15%     
==========================================
  Files          88       88              
  Lines        9688     9688              
  Branches     1971     1802     -169     
==========================================
+ Hits         7389     7404      +15     
+ Misses       2031     2024       -7     
+ Partials      268      260       -8     

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