Add django-upgrade to pre-commit

[adamchainz]

Why

Testing the latest version of django-upgrade, all the changes look as expected 😊

How to test it

pre-commit run -a

[vercel[bot]]

@adamchainz is attempting to deploy a commit to the Python Italia Team on Vercel.

A member of the Team first needs to authorize it.

[codecov[bot]]

Codecov Report

Merging #3041 (574a636) into main (21166a1) will decrease coverage by 0.10%. The diff coverage is 95.03%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3041      +/-   ##
==========================================
- Coverage   92.69%   92.60%   -0.10%     
==========================================
  Files         116      151      +35     
  Lines        2574     4569    +1995     
  Branches      247      489     +242     
==========================================
+ Hits         2386     4231    +1845     
- Misses        174      302     +128     
- Partials       14       36      +22     

[patrick91]

@marcoacierno I rebased this, do you think we can merge it if tests are green?

[marcoacierno]

@marcoacierno I rebased this, do you think we can merge it if tests are green?

Looks good to me! I will merge it now

[adamchainz]

Nice!