Update .gitignore

[jlaurens]

• .DS_Store are automatically created by MacOS X to store OS related informations like display options
• for CMakeUserPresets.json, see the cmake doc

[codecov[bot]]

Codecov Report

Merging #1000 (aad83f6) into main (d2229f2) will not change coverage. The diff coverage is n/a.

:exclamation: Current head aad83f6 differs from pull request most recent head 4518800. Consider uploading reports for the commit 4518800 to get more accurate results

@@           Coverage Diff           @@
##             main    #1000   +/-   ##
=======================================
  Coverage   34.78%   34.78%           
=======================================
  Files         146      146           
  Lines       17369    17369           
=======================================
  Hits         6042     6042           
  Misses      11327    11327           

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[stloeffler]

Thanks. Merged.