Update net-istio nightly (#12223)
Update net-istio nightly (#12223)

bumping knative.dev/net-istio bf9e757...30ae80d:
  > 30ae80d Update community files (# 802)

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