Numpy 2.0 compability

[hoxbro]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 85.71429% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 88.38%. Comparing base (945e179) to head (31155be).
Report is 3 commits behind head on main.

Files	Patch %	Lines
holoviews/tests/core/test_dimensions.py	75.00%	1 Missing ⚠️
...oloviews/tests/element/test_comparisondimension.py	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6238      +/-   ##
==========================================
- Coverage   88.39%   88.38%   -0.01%     
==========================================
  Files         323      323              
  Lines       67620    67630      +10     
==========================================
+ Hits        59770    59778       +8     
- Misses       7850     7852       +2     

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