chore: update Quarkus platform version to 3.39.4

[github-actions]

chore: update Quarkus platform version to 3.39.4

[knative-prow]

Hi @github-actions[bot]. Thanks for your PR.

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[gauron99]

/lgtm

[gauron99]

/approve

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: gauron99, github-actions[bot]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 56.53%. Comparing base (f65c523) to head (bb57a1f).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4056      +/-   ##
==========================================
- Coverage   56.75%   56.53%   -0.22%     
==========================================
  Files         218      218              
  Lines       25994    25994              
==========================================
- Hits        14753    14696      -57     
- Misses       9899     9959      +60     
+ Partials     1342     1339       -3     

Flag	Coverage Δ
e2e	31.21% <ø> (-0.01%)	⬇️
e2e go	?
e2e node	23.88% <ø> (ø)
e2e python	?
e2e quarkus	?
e2e rust	?
e2e springboot	22.29% <ø> (ø)
e2e typescript	23.98% <ø> (ø)
e2e-config-ci	25.04% <ø> (-0.02%)	⬇️
integration	15.34% <ø> (ø)
unit macos-14	47.17% <ø> (ø)
unit macos-latest	47.17% <ø> (ø)
unit ubuntu-24.04-arm	47.44% <ø> (ø)
unit ubuntu-latest	47.94% <ø> (ø)
unit windows-latest	46.90% <ø> (ø)

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