Use pre-commit for testing style

[oyvindeide]

After the addition of ruff, the style check is really fast, and I have personally used this configuration for a while now, which removes the problem of committing something, only to notice style is failing.

This is of course opt-in, which means no one is forced to use it locally, it is fully voluntary.

(Screenshot of new behavior in GUI if applicable)

Pre review checklist

• Read through the code changes carefully after finishing work
• Make sure tests pass locally (after every commit!)
• Prepare changes in small commits for more convenient review (optional)
• PR title captures the intent of the changes, and is fitting for release notes.
• Updated documentation
• Ensured that unit tests are added for all new behavior (See
  Ground Rules),
  and changes to existing code have good test coverage.

Pre merge checklist

• Added appropriate release note label
• Commit history is consistent and clean, in line with the contribution guidelines.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (86a31ef) 83.56% compared to head (77dfdea) 83.56%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6720   +/-   ##
=======================================
  Coverage   83.56%   83.56%           
=======================================
  Files         359      359           
  Lines       20952    20953    +1     
  Branches      948      948           
=======================================
+ Hits        17509    17510    +1     
  Misses       3149     3149           
  Partials      294      294           

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[sondreso]

🎨