rollback to Envoy 1.29.x

[spacewander]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 94.87179% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 86.59%. Comparing base (f4e7ad8) to head (b05e166).
Report is 1 commits behind head on main.

Files	Patch %	Lines
pkg/filtermanager/filtermanager.go	93.93%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #378      +/-   ##
==========================================
+ Coverage   86.58%   86.59%   +0.01%     
==========================================
  Files          73       73              
  Lines        3891     3894       +3     
==========================================
+ Hits         3369     3372       +3     
  Misses        378      378              
  Partials      144      144              

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