bump Istio to v1.27 and Contour to v1.33

[dprotaso]

No description provided.

[knative-prow]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dprotaso

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• OWNERS [dprotaso]

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[dprotaso]

/assign @nader-ziada @dsimansk

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.20%. Comparing base (8b4c759) to head (9786402).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #16099      +/-   ##
==========================================
- Coverage   80.20%   80.20%   -0.01%     
==========================================
  Files         214      214              
  Lines       16871    16871              
==========================================
- Hits        13532    13531       -1     
- Misses       2980     2983       +3     
+ Partials      359      357       -2     

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[nader-ziada]

/lgtm