fix: Updates error message in csv parser to recommend schema_overrides instead of deprecated dtypes argument

[dvillaveces]

Very small PR. I found it a little annoying that the error message recommends using an argument that has been deprecated and gives a warning, instead of recommending the updated argument. So I decided to try and fix it 😄

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.04%. Comparing base (69c9c3a) to head (cd08af9).
Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #19416      +/-   ##
==========================================
+ Coverage   80.03%   80.04%   +0.01%     
==========================================
  Files        1532     1532              
  Lines      210749   210749              
  Branches     2442     2442              
==========================================
+ Hits       168676   168699      +23     
+ Misses      41518    41495      -23     
  Partials      555      555              

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[ritchie46]

Good decision. Thanks!