Bump netty monorepo to v4.2.15.Final

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
io.netty:netty-bom (source)	4.2.12.Final → 4.2.15.Final

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Configuration

📅 Schedule: (UTC)

• Branch creation
  • Between 12:00 AM and 03:59 AM, on day 1 of the month (* 0-3 1 * *)
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• If you want to rebase/retry this PR, check this box

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[github-actions]

☀️   Quality Monitor

Tests

     Unit Tests: ✅ successful — 42 passed $\textsf{(±0)}$
   🚀   Integration Tests: ✅ successful — 79 passed $\textsf{(±0)}$
   ⛔   Architecture Tests: ✅ successful — 15 passed $\textsf{(±0)}$

Coverage for New Code

   〰️   Line Coverage: 100.00% — perfect 🎉
   ➰   Branch Coverage: 100.00% — perfect 🎉

Coverage for Whole Project

   〰️   Line Coverage: 87.50% $\textsf{(±0)}$ — 102 missed lines
   ➰   Branch Coverage: 78.72% $\textsf{(±0)}$ — 50 missed branches

Style

     CheckStyle: No warnings $\textsf{(±0)}$
     PMD: No warnings $\textsf{(±0)}$
   ☕   Java Compiler: No warnings $\textsf{(±0)}$

Bugs

     SpotBugs: No bugs $\textsf{(±0)}$
   🐛   Error Prone: No bugs $\textsf{(±0)}$

API Problems

   🚫   Revapi: No warnings $\textsf{(±0)}$

Vulnerabilities

   🛡️   OWASP Dependency Check: 373 vulnerabilities $\color{green}{\textsf{(+373)}}$ — error: 40, high: 145, normal: 177, low: 11

Software Metrics

   🌀   Cyclomatic Complexity: 318 (total)
   💭   Cognitive Complexity: 173 (total)
   ➿   N-Path Complexity: 326 (total)
   📏   Lines of Code: 2887 (total)
   📝   Non Commenting Source Statements: 1150 (total)
   🔗   Class Cohesion: 100.00% (maximum)
   ⚖️   Weight of Class: 100.00% (maximum)

📌 Reference Results

Delta reports computed against the reference results of 5aac850 in workflow run 27541574943.

🚦 Quality Gates

Overall Status: ✅ SUCCESS

✅ Passed Gates

• ✅ Overall Tests Success Rate: 100.00 >= 100.00
• ✅ Line Coverage in New Code: 100.00 >= 90.00
• ✅ Branch Coverage in New Code: 100.00 >= 90.00
• ✅ Potential Bugs in Whole Project: 0.00 <= 0.00
• ✅ Style Violation in Whole Project: 0.00 <= 0.00

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Created by Quality Monitor v4.15.0 (#82d77af). More details are shown in the GitHub Checks Result.