Hotfix/scikit learn requirement

[felixchalumeau]

Copy from #131

switched depreciated dependency sklearn -> scikit-learn

Related issues: #130

The PR replaces the depreciated sklearn package with scikit-learn.

Checks

• a clear description of the PR has been added
• sufficient tests have been written
• relevant section added to the documentation
• example notebook added to the repo
• clean docstrings and comments have been written
• if any issue/observation has been discovered, a new issue has been opened

Future improvements

N/A

[codecov-commenter]

Codecov Report

Merging #132 (b9183d5) into main (fc0ad78) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #132   +/-   ##
=======================================
  Coverage   92.31%   92.31%           
=======================================
  Files         103      103           
  Lines        5816     5816           
=======================================
  Hits         5369     5369           
  Misses        447      447           

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