Update net-istio nightly (#13334)
Update net-istio nightly (#13334)

bumping knative.dev/net-istio 5251947...aaef745:
  > aaef745 upgrade to latest dependencies (# 981)
  > e59d57c Fix psp (# 983)

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

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