[Automated] Update net-gateway-api nightly

[knative-automation]

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

Produced via:

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

Details:

bumping knative.dev/net-gateway-api d02ac54...6db3d9f:
  > 6db3d9f Update community files (# 512)
  > 91754c6 upgrade to latest dependencies (# 513)

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +0.06% 🎉

Comparison is base (ad26685) 86.23% compared to head (d90fc55) 86.30%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #14243      +/-   ##
==========================================
+ Coverage   86.23%   86.30%   +0.06%     
==========================================
  Files         199      199              
  Lines       14811    14811              
==========================================
+ Hits        12772    12782      +10     
+ Misses       1736     1728       -8     
+ Partials      303      301       -2     

see 3 files with indirect coverage changes

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[psschwei]

/lgtm
/approve

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

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