[Automated] Update net-kourier nightly

[knative-automation]

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

Produced via:

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

Details:

bumping knative.dev/net-kourier 6b75633...720b6f4:
  > 720b6f4 Update community files (# 1088)

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.03% ⚠️

Comparison is base (9f845d1) 86.27% compared to head (1b0b49d) 86.25%.
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #14233      +/-   ##
==========================================
- Coverage   86.27%   86.25%   -0.03%     
==========================================
  Files         199      199              
  Lines       14811    14811              
==========================================
- Hits        12778    12775       -3     
- Misses       1732     1734       +2     
- Partials      301      302       +1     

see 1 file with indirect coverage changes

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[psschwei]

/lgtm
/approve

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

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

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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
kourier-stable_serving_main	1b0b49d	link	unknown	/test kourier-stable

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[psschwei]

/test kourier-stable