[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 contour-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 021177f...4cc0b67:
  > 4cc0b67 upgrade to latest dependencies (# 976)

[knative-prow]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.29%. Comparing base (f8d0736) to head (cd2a2ac).

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #16645      +/-   ##
==========================================
- Coverage   80.32%   80.29%   -0.03%     
==========================================
  Files         217      217              
  Lines       13568    13568              
==========================================
- Hits        10898    10894       -4     
- Misses       2306     2310       +4     
  Partials      364      364              

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[knative-prow]

@knative-automation: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
istio-latest-no-mesh_serving_main	fd41b3f	link	true	/test istio-latest-no-mesh

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