[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 45d78b5...715a732:
  > 715a732 Update k8s deps version aligned to knative/pkg (# 1357)
  > fb4671d Align GH actions to Serving common patterns (# 1350)
  > e41218b chore: Updated description in ConfigMap (# 1355)

[knative-prow]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.98%. Comparing base (29e580b) to head (f47e284).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #15933   +/-   ##
=======================================
  Coverage   80.98%   80.98%           
=======================================
  Files         210      210           
  Lines       16780    16780           
=======================================
  Hits        13590    13590           
+ Misses       2840     2837    -3     
- Partials      350      353    +3     

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