feat: Adds support for java 21.

[damencho]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 19.18%. Comparing base (fe4e2cd) to head (793af06).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #629      +/-   ##
============================================
+ Coverage     19.16%   19.18%   +0.01%     
- Complexity      310      311       +1     
============================================
  Files            83       83              
  Lines          7204     7204              
  Branches        958      958              
============================================
+ Hits           1381     1382       +1     
+ Misses         5593     5591       -2     
- Partials        230      231       +1     

see 1 file with indirect coverage changes

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