chore: configure SpotBugs plugin find-sec-bugs

[vil02]

Configures find-sec-bugs (another SpotBugs plugin).

Similar to #5126. Continuation of #5122.

• 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 37.55%. Comparing base (ff5267d) to head (87b7791).

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #5144   +/-   ##
=========================================
  Coverage     37.55%   37.55%           
  Complexity     2364     2364           
=========================================
  Files           517      517           
  Lines         15605    15605           
  Branches       2965     2965           
=========================================
  Hits           5860     5860           
  Misses         9458     9458           
  Partials        287      287           

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