Update net-certmanager nightly (#13461)
Update net-certmanager nightly (#13461)

bumping knative.dev/net-certmanager 5693189...34ec004:
  > 34ec004 Update community files (# 458)

Signed-off-by: Knative Automation <f415700d4d0ce1c81810fe7553e3eea2bed16231@knative.team>

Signed-off-by: Knative Automation <f415700d4d0ce1c81810fe7553e3eea2bed16231@knative.team>
knative/serving,knative/serving