Update Netty Version

[TharmiganK]

Purpose

$Subject

Part of: ballerina-platform/ballerina-library#7571

Trivy scan: https://github.com/ballerina-platform/module-ballerina-http/actions/runs/13256775415/job/37004879434

Examples

Checklist

• Linked to an issue
• Updated the changelog
• Added tests
• Updated the spec
• Checked native-image compatibility
• Checked the impact on OpenAPI generation

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.88%. Comparing base (9b96bb5) to head (42459f0).
Report is 5 commits behind head on master.

❌ Your project status has failed because the head coverage (79.88%) is below the target coverage (80.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2295      +/-   ##
============================================
- Coverage     80.43%   79.88%   -0.55%     
- Complexity        0      678     +678     
============================================
  Files           367      418      +51     
  Lines         20757    23124    +2367     
  Branches       3294     3753     +459     
============================================
+ Hits          16695    18473    +1778     
- Misses         3130     3521     +391     
- Partials        932     1130     +198     

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