💫 Bump to latest of GO SDK for CE (#2223)

Signed-off-by: Matthias Wessendorf <mwessend@redhat.com>

Author: matzew

go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/Netflix/go-expect v0.0.0-20220104043353-73e0943537d2
 	github.com/alecthomas/jsonschema v0.0.0-20220216202328-9eeeec9d044b
 	github.com/buildpacks/pack v0.30.0-pre3
-	github.com/cloudevents/sdk-go/v2 v2.14.0
+	github.com/cloudevents/sdk-go/v2 v2.15.2
 	github.com/containerd/containerd v1.7.2
 	github.com/containers/image/v5 v5.26.1
 	github.com/coreos/go-semver v0.3.0

go.sum

@@ -215,8 +215,8 @@ github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMn
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cloudevents/sdk-go/sql/v2 v2.13.0 h1:gMJvQ3XFkygY9JmrusgK80d9yRAb8+J3X8IA1OC+oc0=
 github.com/cloudevents/sdk-go/sql/v2 v2.13.0/go.mod h1:XZRQBCgRreddIpQrdjBJQUrRg3BCs3aikplJQkHrK44=
-github.com/cloudevents/sdk-go/v2 v2.14.0 h1:Nrob4FwVgi5L4tV9lhjzZcjYqFVyJzsA56CwPaPfv6s=
-github.com/cloudevents/sdk-go/v2 v2.14.0/go.mod h1:xDmKfzNjM8gBvjaF8ijFjM1VYOVUEeUfapHMUX1T5To=
+github.com/cloudevents/sdk-go/v2 v2.15.2 h1:54+I5xQEnI73RBhWHxbI1XJcqOFOVJN85vb41+8mHUc=
+github.com/cloudevents/sdk-go/v2 v2.15.2/go.mod h1:lL7kSWAE/V8VI4Wh0jbL2v/jvqsm6tjmaQBSvxcv4uE=
 github.com/cloudflare/circl v1.3.3 h1:fE/Qz0QdIGqeWfnwq0RE0R7MI51s0M2E4Ga9kq5AEMs=
 github.com/cloudflare/circl v1.3.3/go.mod h1:5XYMA4rFBvNIrhs50XuiBJ15vF2pZn4nnUKZrLbUZFA=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=