[Automated] Update net-certmanager nightly

[knative-automation]

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

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 834f4b1...13da3f2:
  > 13da3f2 upgrade to latest dependencies (# 421)

[codecov]

Codecov Report

Merging #13113 (f8a1f24) into main (e2862ae) will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main   #13113      +/-   ##
==========================================
+ Coverage   86.78%   86.80%   +0.02%     
==========================================
  Files         196      196              
  Lines       14410    14410              
==========================================
+ Hits        12506    12509       +3     
+ Misses       1609     1607       -2     
+ Partials      295      294       -1     

Impacted Files	Coverage Δ
pkg/autoscaler/statforwarder/leases.go	73.95% <0.00%> (+1.56%)	⬆️

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[psschwei]

/retest

[psschwei]

/lgtm
/approve

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

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