chore(deps): update istio/istioctl docker tag to v1.29.2

[renovate]

This PR contains the following updates:

Package	Update	Change
istio/istioctl	minor	1.26.2 → 1.29.2

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.4%. Comparing base (eae5a24) to head (98182e1).

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #7684     +/-   ##
=======================================
- Coverage   78.4%   78.4%   -0.1%     
=======================================
  Files        222     222             
  Lines      20780   20780             
=======================================
- Hits       16305   16293     -12     
- Misses      3432    3452     +20     
+ Partials    1043    1035      -8     

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