Add degree in University faker

[panilya]

No description provided.

[what-the-diff]

## PR Summary

* **Added degree() method to University class**
A new method called 'degree()' has been added to the University class, providing additional functionality.

* **Updated university.yml for new method**
The university.yml file has been updated with an array of degree options, which can be returned by the newly added 'degree()' method.

* **Added test coverage for new method**
Test cases have been updated, including the addition of a TestSpec object specifically for the 'degree()' method to ensure that the code has full test coverage and that future changes won't break existing functionality or tests.

[codecov-commenter]

Codecov Report

Merging #785 (a7b9153) into main (3d4c572) will decrease coverage by 0.06%.
The diff coverage is 100.00%.

📣 This organization is not using Codecov’s GitHub App Integration. We recommend you install it so Codecov can continue to function properly for your repositories. Learn more

@@             Coverage Diff              @@
##               main     #785      +/-   ##
============================================
- Coverage     92.89%   92.84%   -0.06%     
- Complexity     2641     2642       +1     
============================================
  Files           285      285              
  Lines          5211     5212       +1     
  Branches        537      537              
============================================
- Hits           4841     4839       -2     
- Misses          242      245       +3     
  Partials        128      128              

Impacted Files	Coverage Δ
.../java/net/datafaker/providers/base/University.java	100.00% <100.00%> (ø)

... and 4 files with indirect coverage changes

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[bodiam]

Nice one!