adjust test tolerance for mac scipy 1.14.0

[braingram]

Fixes #504

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.26%. Comparing base (eb9d316) to head (430878b).
Report is 6 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #505      +/-   ##
==========================================
- Coverage   87.28%   87.26%   -0.03%     
==========================================
  Files          22       21       -1     
  Lines        3821     3815       -6     
==========================================
- Hits         3335     3329       -6     
  Misses        486      486              

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[braingram]

I think the branch protection names need updating. I see CI / test / py311 (macos-latest) (pull_request) ran successfully.
However there is an expected test / test (macos-latest) that is "waiting for status".