Add a noexcept clause to the wrapper function

[jcapriot]

This updates the cython code for updated functionality in the new 3.0.0 release of cython

[codecov[bot]]

Codecov Report

Merging #331 (8acb337) into main (156335c) will increase coverage by 69.64%. The diff coverage is 100.00%.

@@             Coverage Diff             @@
##             main     #331       +/-   ##
===========================================
+ Coverage   15.77%   85.42%   +69.64%     
===========================================
  Files          36       39        +3     
  Lines        8214    11811     +3597     
===========================================
+ Hits         1296    10089     +8793     
+ Misses       6918     1722     -5196     

Impacted Files	Coverage Δ
discretize/_extensions/tree_ext.pyx	84.55% <100.00%> (ø)

... and 26 files with indirect coverage changes