Update eventing nightly

bumping knative.dev/eventing bf945f9...36e0721:
  > 36e0721 Broker class based defaults (# 7631)
  > e4b6d68 [main] Upgrade to latest dependencies (# 8172)
  > 24a43e8 chore: refactor cross namespace test to make it reusable (# 8157)
  > da10b71 Support dispatcher format for triggers (# 8151)
  > 477588c JobSink: Reject unauthorized requests (# 8169)
  > 5fc4c0f Fix JobSink to have ObservedGeneration in status (# 8168)
  > ed71838 Fix: Use correct readyness check in AuthZ conformance tests (# 8167)

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