Update endpoints model

Author: AWS SDK for Go v2 automation user

codegen/smithy-aws-go-codegen/src/main/resources/software/amazon/smithy/aws/go/codegen/endpoints.json

@@ -33819,6 +33819,12 @@
           }
         }
       },
+      "kafkaconnect" : {
+        "endpoints" : {
+          "us-gov-east-1" : { },
+          "us-gov-west-1" : { }
+        }
+      },
       "kendra" : {
         "endpoints" : {
           "fips-us-gov-west-1" : {