chore: use BOM to manage junit dependencies

[vil02]

This should fix the failing CI in #6174 and #6177.

Use BOM to align the version of junit-jupiter and junit-jupiter-api.

• I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized it.
• All filenames are in PascalCase.
• All functions and variable names follow Java naming conventions.
• All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.
• All new code is formatted with clang-format -i --style=file path/to/your/file.java

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.12%. Comparing base (bb0bb03) to head (3636286).

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #6178   +/-   ##
=========================================
  Coverage     74.11%   74.12%           
+ Complexity     5192     5191    -1     
=========================================
  Files           663      663           
  Lines         17771    17771           
  Branches       3422     3422           
=========================================
+ Hits          13171    13172    +1     
+ Misses         4097     4096    -1     
  Partials        503      503           

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