[Automated] Update net-istio nightly

[knative-automation]

/assign @knative/serving-writers
/cc @knative/serving-writers

Produced via:

for x in net-istio.yaml; do
  curl https://storage.googleapis.com/knative-nightly/net-istio/latest/$x > ${GITHUB_WORKSPACE}/./third_party/istio-latest/$x
done

Details:

bumping knative.dev/net-istio a233c51...02bd435:
  > 02bd435 Update actions (# 1145)
  > 90cd858 Update community files (# 1144)

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +0.04% 🎉

Comparison is base (e937b62) 86.18% compared to head (413e524) 86.23%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #14212      +/-   ##
==========================================
+ Coverage   86.18%   86.23%   +0.04%     
==========================================
  Files         199      199              
  Lines       14811    14811              
==========================================
+ Hits        12765    12772       +7     
+ Misses       1741     1735       -6     
+ Partials      305      304       -1     

see 4 files with indirect coverage changes

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[psschwei]

/lgtm
/approve

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

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