[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 dc44286...217f929:
  > 217f929 upgrade to latest dependencies (# 749)
  > 1656ace upgrade to latest dependencies (# 748)

[knative-prow[bot]]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: knative-automation Once this PR has been reviewed and has the lgtm label, please assign skonto for approval. For more information see the Kubernetes Code Review Process.

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 84.58%. Comparing base (a043ddf) to head (3902f96). Report is 4 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #15355 +/- ## ========================================== - Coverage 84.59% 84.58% -0.02% ========================================== Files 219 219 Lines 13584 13584 ========================================== - Hits 11492 11490 -2 - Misses 1725 1727 +2 Partials 367 367 ```

:umbrella: View full report in Codecov by Sentry.
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[ReToCode]

/test istio-latest-no-mesh-tls