[Automated] Update net-contour nightly

[knative-automation]

/assign @knative/networking-wg-leads
/cc @knative/networking-wg-leads

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 8befa44...d74c247:
  > d74c247 Update community files (# 797)

[codecov]

Codecov Report

Merging #13188 (66b860f) into main (e9a0ce9) will decrease coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main   #13188      +/-   ##
==========================================
- Coverage   86.69%   86.68%   -0.01%     
==========================================
  Files         196      196              
  Lines       14463    14463              
==========================================
- Hits        12538    12537       -1     
+ Misses       1628     1627       -1     
- Partials      297      299       +2     

Impacted Files	Coverage Δ
pkg/autoscaler/statserver/server.go	75.55% <0.00%> (-2.23%)	⬇️
pkg/activator/net/revision_backends.go	92.77% <0.00%> (+0.57%)	⬆️

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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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