Refactor code, add tests, and update dependencies

[Devasy23]

Description

This pull request merges the split-tests-mark-2 branch into main. The changes include splitting the test cases in test_face_cycle.py into smaller tests for each endpoint, creating a new file test_face_endpoints.py to separately test each endpoint, and removing deprecated code from various modules to improve performance and maintainability.

Type of change

• [x] New feature (non-breaking change which adds functionality)

How Has This Been Tested?

The changes have been tested by running the test suite and all tests pass. The new test cases in test_face_endpoints.py have been verified to correctly test each endpoint.

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 96.96970% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 89.64%. Comparing base (dcff0d0) to head (a4913c6). Report is 1 commits behind head on main.

Files	Patch %	Lines
testing/test_face_endpoints.py	96.92%	2 Missing :warning:

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #6 +/- ## ========================================== + Coverage 87.03% 89.64% +2.60% ========================================== Files 5 6 +1 Lines 216 280 +64 ========================================== + Hits 188 251 +63 - Misses 28 29 +1 ```

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