[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 6db3d9f...a645fee:
  > a645fee Update community files (# 516)
  > 98e198b upgrade to latest dependencies (# 515)

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +0.02% 🎉

Comparison is base (4ab6b88) 86.25% compared to head (6f4f0a8) 86.27%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #14249      +/-   ##
==========================================
+ Coverage   86.25%   86.27%   +0.02%     
==========================================
  Files         199      199              
  Lines       14811    14811              
==========================================
+ Hits        12775    12778       +3     
+ Misses       1734     1732       -2     
+ Partials      302      301       -1     

see 1 file with indirect coverage changes

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[psschwei]

/lgtm
/approve
/retest

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: knative-automation, psschwei

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