Update eventing nightly

bumping knative.dev/eventing e298f32...a6ac811:
  > a6ac811 [main] Upgrade to latest dependencies (# 8032)
  > c5ac18a Update Github actions automatically (# 7942)
  > e36a2cf Use `knative/actions/setup-go` to be in sync with other projects (# 8044)
  > 922edf2 Remove unneeded replaces in go.mod (# 8033)
  > 0f71292 [main] Upgrade to latest dependencies (# 8029)
  > 9cf272a Event Type API: updated test name to avoid confusion (# 8030)
  > 6352784 Updating RetryableHttp lib to latest (# 8026)
  > d4e647d List applying policies in Channel and propagate EventPolicies to underlying channel (# 8014)
  > 7253b36 Add EventPolicy resource for rekt tests (# 8010)
  > e21311d [main] Upgrade to latest dependencies (# 8019)
  > 36c904a Fix test case in `TestCreateExpectedEventDeliveryMap` (# 8023)
  > 825202f Fix test case in TestCreateExpectedEventPatterns (# 8022)
  > c9deeb9 Add JobSink to storage version migration (# 8020)
  > f84a98c Remove unused performance tests (# 7707)
  > f4df40f List applying policies in InMemoryChannels status (# 8011)
  > 18dfe3c JobSink: Test OIDC support (# 8000)

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