Updating Java to 21 and critical dependencies

[julianu]

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (4ec1ce5) 62.01% compared to head (c31ce5f) 62.03%.
Report is 2 commits behind head on main.

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Additional details and impacted files

@@             Coverage Diff              @@
##               main     #202      +/-   ##
============================================
+ Coverage     62.01%   62.03%   +0.01%     
- Complexity     2492     2493       +1     
============================================
  Files           139      139              
  Lines         14902    14902              
  Branches       2635     2635              
============================================
+ Hits           9242     9244       +2     
+ Misses         4601     4600       -1     
+ Partials       1059     1058       -1     

Flag	Coverage Δ
unittests	62.03% <ø> (+0.01%)	⬆️

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