fix(deps): bump github.com/cloudevents/sdk-go/v2 in /api

Bumps [github.com/cloudevents/sdk-go/v2](https://github.com/cloudevents/sdk-go) from 2.15.1 to 2.15.2.
- [Release notes](https://github.com/cloudevents/sdk-go/releases)
- [Commits](cloudevents/sdk-go@v2.15.1...v2.15.2)

---
updated-dependencies:
- dependency-name: github.com/cloudevents/sdk-go/v2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

api/go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/NdoleStudio/lemonsqueezy-go v1.1.0
 	github.com/avast/retry-go v3.0.0+incompatible
 	github.com/carlmjohnson/requests v0.23.5
-	github.com/cloudevents/sdk-go/v2 v2.15.1
+	github.com/cloudevents/sdk-go/v2 v2.15.2
 	github.com/cockroachdb/cockroach-go/v2 v2.3.6
 	github.com/davecgh/go-spew v1.1.1
 	github.com/dgraph-io/ristretto v0.1.1

api/go.sum

@@ -71,8 +71,8 @@ github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XL
 github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
 github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cloudevents/sdk-go/v2 v2.15.1 h1:EZxXQFkzk8TSsxDBx8v18+KGwTYsGRyHNwtzZiHUk4E=
-github.com/cloudevents/sdk-go/v2 v2.15.1/go.mod h1:lL7kSWAE/V8VI4Wh0jbL2v/jvqsm6tjmaQBSvxcv4uE=
+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/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cockroachdb/cockroach-go/v2 v2.3.6 h1:Wlv9TzkrG9V7i6u8dEtmXPrBzvfFp+CgJNs696rAajM=
 github.com/cockroachdb/cockroach-go/v2 v2.3.6/go.mod h1:1wNJ45eSXW9AnOc3skntW9ZUZz6gxrQK3cOj3rK+BC8=