chore: update CHANGELOG.next.toml

Author: thomas-k-cameron

CHANGELOG.next.toml

@@ -11,6 +11,13 @@
 # meta = { "breaking" = false, "tada" = false, "bug" = false, "target" = "client | server | all"}
 # author = "rcoh"
 
+
+[[aws-sdk-rust]]
+message = "Implements serde support for ErrorMetaData on aws-smithy-types crate."
+references = ["smithy-rs#2637"]
+meta = { "breaking" = false, "tada" = false, "bug" = true }
+author = "thomas-k-cameron"
+
 [[aws-sdk-rust]]
 message = "The outputs for event stream operations (for example, S3's SelectObjectContent) now implement the `Sync` auto-trait."
 references = ["smithy-rs#2496"]