Parallelize uniform_binning.py

[OliviaLynn]

Problem & Solution Description (including issue #)

Closes issue #84

Code Quality

• [x] My code follows the code style of this project
• [x] I have written unit tests or justified all instances of #pragma: no cover; in the case of a bugfix, a new test that breaks as a result of the bug has been added
• [x] My code contains relevant comments and necessary documentation for future maintainers; the change is reflected in applicable demos/tutorials (with output cleared!) and added/updated docstrings use the NumPy docstring format
• [x] Any breaking changes, described above, are accompanied by backwards compatibility and deprecation warnings

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (c0e32bb) 97.18% compared to head (40802f3) 97.20%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #85 +/- ## ========================================== + Coverage 97.18% 97.20% +0.02% ========================================== Files 32 32 Lines 1738 1755 +17 ========================================== + Hits 1689 1706 +17 Misses 49 49 ```

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