lint: replace isort with Ruff's rule I

[Borda]

Checklist before merging this PR:

• Mentioned all issues that this PR fixes or addresses.
• Summarized the updates of this PR under Summary.
• Added an entry under Unreleased in the Changelog.

Follow-up to #2195 and #2323

Summary

isort functionality are fully covered with I rule

Other Information

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.01%. Comparing base (8f8b514) to head (b3bab94).
Report is 1 commits behind head on master.

❗ Current head b3bab94 differs from pull request most recent head 05fe2d3. Consider uploading reports for the commit 05fe2d3 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2339   +/-   ##
=======================================
  Coverage   94.01%   94.01%           
=======================================
  Files         138      138           
  Lines       14187    14187           
=======================================
  Hits        13338    13338           
  Misses        849      849           

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[dennisbader]

Looks great, thanks @Borda, also for quickly adding the changelog entry 🚀