Replace unofficial with official pre-commit hook for ruff

[davorrunje]

Why are these changes needed?

The unofficial pre-commit hook for ruff was replaced with the official one.

Related issue number

Checks

• I've included any doc changes needed for https://microsoft.github.io/autogen/. See https://microsoft.github.io/autogen/docs/Contribute#documentation to build and test documentation locally.
• I've added tests (if relevant) corresponding to the changes introduced in this PR.
• I've made sure all auto checks have passed.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 37.85%. Comparing base (4746860) to head (ba2d9ae).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2229   +/-   ##
=======================================
  Coverage   37.85%   37.85%           
=======================================
  Files          77       77           
  Lines        7769     7769           
  Branches     1664     1664           
=======================================
  Hits         2941     2941           
  Misses       4579     4579           
  Partials      249      249           

Flag	Coverage Δ
unittests	37.84% <ø> (ø)

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