Update to NGINX OSS 1.29.1, PLUS R35, Agent v3.2, App Protect and Alpine 3.22

[AlexFenlon]

Cherry pick(#7971)

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
⚠️ Please upload report for BASE (release-5.1@b013e10). Learn more about missing BASE report.

Additional details and impacted files

@@              Coverage Diff               @@
##             release-5.1    #8139   +/-   ##
==============================================
  Coverage               ?   52.97%           
==============================================
  Files                  ?       90           
  Lines                  ?    21746           
  Branches               ?        0           
==============================================
  Hits                   ?    11519           
  Misses                 ?     9748           
  Partials               ?      479           

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