[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 gateway-api.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 29bf0b9...42d5136:
  > 42d5136 upgrade to latest dependencies (# 583)
  > 2afe27c upgrade to latest dependencies (# 582)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (7561386) 86.02% compared to head (686c2d7) 86.04%.
Report is 6 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #14627      +/-   ##
==========================================
+ Coverage   86.02%   86.04%   +0.02%     
==========================================
  Files         197      197              
  Lines       14929    14929              
==========================================
+ Hits        12843    12846       +3     
+ Misses       1776     1774       -2     
+ Partials      310      309       -1     

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[ReToCode]

/lgtm
/approve

/retest

[ReToCode]

/lgtm
/approve
/retest

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

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[ReToCode]

/retest