Update eventing nightly (#3377)

bumping knative.dev/eventing 6915382...9de5275:
  > 9de5275 Use expiring cache with the OIDC tokens (# 7335)
  > 18e17ac [main] Update community files (# 7337)
  > 7b3afa0 Optimized the exact filter performance (# 7311)
  > e40037b Prefix filter optimizations (# 7309)
  > 8d2330c Update Kubernetes min version in KinD e2e tests to 1.26.6 (# 7332)
  > 402f6ac Add library for OIDC token management (# 7315)
  > ce67d85 [main] Upgrade to latest dependencies (# 7329)
  > d1c3f15 Use `mt-broker-filter` as the Audience of a Triggers Subscriptions Subscriber (# 7319)
  > eec9a52 Add marker for Trigger to mark `OIDCIdentity` condition as not supported (# 7316)
  > 69dbad2 Event type test logical error (# 7166)
  > a78c626 [main] Upgrade to latest dependencies (# 7317)

Signed-off-by: Knative Automation <[email protected]>