[Automated] Update net-contour nightly

[knative-automation]

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

Produced via:

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

Details:

bumping knative.dev/net-contour 3c443fc...fefeb28:
  > fefeb28 Update community files (# 930)

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +0.05 🎉

Comparison is base (2e7d6e4) 86.17% compared to head (dd93826) 86.22%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #14130      +/-   ##
==========================================
+ Coverage   86.17%   86.22%   +0.05%     
==========================================
  Files         199      199              
  Lines       14795    14795              
==========================================
+ Hits        12749    12757       +8     
+ Misses       1741     1736       -5     
+ Partials      305      302       -3     

see 4 files with indirect coverage changes

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[dprotaso]

/lgtm
/approve

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

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