Fix Tycho analysis for Java >= 24

[sschuberth]

Please have a look at the individual commit messages for the details.

[codecov]

Codecov Report

❌ Patch coverage is 85.71429% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 58.43%. Comparing base (71d5687) to head (0232f1f).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...kage-managers/maven/src/main/kotlin/tycho/Tycho.kt	85.71%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main   #11930      +/-   ##
============================================
+ Coverage     58.41%   58.43%   +0.01%     
- Complexity     1807     1809       +2     
============================================
  Files           361      361              
  Lines         13491    13499       +8     
  Branches       1382     1383       +1     
============================================
+ Hits           7881     7888       +7     
- Misses         5114     5115       +1     
  Partials        496      496              

Flag	Coverage Δ
funTest-external-tools	14.64% <0.00%> (-0.02%)	⬇️
funTest-no-external-tools	30.37% <85.71%> (+0.13%)	⬆️
test-ubuntu-24.04	41.78% <85.71%> (+0.02%)	⬆️
test-windows-2025	41.76% <85.71%> (+0.02%)	⬆️

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