change default neighbors to 64

[thorstenwagner]

Change default neighbors to 64 until rapidsai/cuml#6091 is addressed

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 63.77%. Comparing base (4225f5b) to head (6798118).
Report is 18 commits behind head on main.

Files with missing lines	Patch %	Lines
tomotwin/modules/tools/umap.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #112      +/-   ##
==========================================
- Coverage   63.79%   63.77%   -0.02%     
==========================================
  Files          60       60              
  Lines        3240     3244       +4     
==========================================
+ Hits         2067     2069       +2     
- Misses       1173     1175       +2     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.