upgrade to latest dependencies

bumping knative.dev/eventing 97c0d30...56631a5:
  > 56631a5 Add tests for additional ingress error cases (# 5281)
  > facbd02 [Rekt] Add polling on inner channel subscriber status (# 5278)
  > 4324aef add test with reply (# 5282)
  > b3ccb11 Do events end where they should (# 5280)
  > cd7c750 test trigger delivery specs fully (# 5268)
  > 0452204 Filtering fix for consistency in handling empty string as value (# 5273)
  > 96a4cc3 Remove KafkaChannel upgrade hack (# 5276)
bumping knative.dev/pkg b80a192...942c621:
  > 942c621 add prometheus condition (# 2088)
  > 554d133 Bump assorted dependencies (# 2096)
  > 2e62ba6 Add possibility to implement a deletion handler in a reconciler. (# 2089)

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

go.mod

@@ -14,16 +14,15 @@ require (
 	github.com/stretchr/testify v1.7.0
 	github.com/xdg/scram v0.0.0-20180814205039-7eeb5667e42c
 	go.uber.org/zap v1.16.0
-	golang.org/x/crypto v0.0.0-20210218145215-b8e89b74b9df // indirect
 	google.golang.org/protobuf v1.26.0
 	k8s.io/api v0.19.7
 	k8s.io/apiextensions-apiserver v0.19.7
 	k8s.io/apimachinery v0.19.7
 	k8s.io/apiserver v0.19.7
 	k8s.io/client-go v0.19.7
 	k8s.io/utils v0.0.0-20210111153108-fddb29f9d009
-	knative.dev/eventing v0.22.1-0.20210419064100-97c0d30fa90a
+	knative.dev/eventing v0.22.1-0.20210419234200-56631a5ec82a
 	knative.dev/hack v0.0.0-20210325223819-b6ab329907d3
-	knative.dev/pkg v0.0.0-20210416161310-b80a1926251c
+	knative.dev/pkg v0.0.0-20210419184201-942c621ec54d
 	knative.dev/reconciler-test v0.0.0-20210414181401-b0c3de288f3b
 )