Update eventing nightly (#4081)

bumping knative.dev/eventing bf945f9...8c22bf5:
  > 8c22bf5 [main] Upgrade to latest dependencies (# 8186)
  > 07d3790 SinkBinding wrongly enqueues namespaces (# 8184)
  > 902f9d3 Migrate to kube_codegen.sh (# 8183)
  > 34f9cd3 Disable controller default health probes in the IMC dispatcher (# 8125)
  > ecae895 AuthZ: Provide function to update AppliedEventPoliciesStatus based on a given list of applying policies (# 8173)
  > 833f4aa Split AuthZ e2e tests (# 8181)
  > 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>