[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 668a414...0d68ef5:
  > 0d68ef5 upgrade to latest dependencies (# 1098)

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (323b8c9) 86.19% compared to head (7dfc4bf) 86.19%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #14311   +/-   ##
=======================================
  Coverage   86.19%   86.19%           
=======================================
  Files         195      195           
  Lines       14704    14704           
=======================================
  Hits        12674    12674           
  Misses       1728     1728           
  Partials      302      302           

see 2 files with indirect coverage changes

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[psschwei]

/lgtm
/approve

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

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