feat(client-ivschat): updates cloudtrail event source for SDKs

Author: awstools

codegen/sdk-codegen/aws-models/ivschat.json

@@ -78,7 +78,7 @@
           "sdkId": "ivschat",
           "arnNamespace": "ivschat",
           "cloudFormationName": "IVSChat",
-          "cloudTrailEventSource": "REPLACE_WITH_EVENT_SOURCE"
+          "cloudTrailEventSource": "ivschat.amazonaws.com"
         },
         "aws.auth#sigv4": {
           "name": "ivschat"