[Automated] Update net-certmanager nightly

[knative-automation]

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

Produced via:

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

Details:

bumping knative.dev/net-certmanager 1717ad2...4f78867:
  > 4f78867 upgrade to latest dependencies (# 576)

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +0.04% 🎉

Comparison is base (323b8c9) 86.19% compared to head (6ba50aa) 86.23%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #14314      +/-   ##
==========================================
+ Coverage   86.19%   86.23%   +0.04%     
==========================================
  Files         195      195              
  Lines       14704    14704              
==========================================
+ Hits        12674    12680       +6     
+ Misses       1728     1724       -4     
+ Partials      302      300       -2     

see 2 files with indirect coverage changes

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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
https_serving_main	6ba50aa	link	false	/test https

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[psschwei]

/lgtm
/approve
/retest

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

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

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