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

@@ -565,6 +565,7 @@
           "ap-southeast-2" : { },
           "ca-central-1" : { },
           "eu-central-1" : { },
+          "eu-central-2" : { },
           "eu-west-1" : { },
           "eu-west-2" : { },
           "eu-west-3" : { },
@@ -24081,6 +24082,7 @@
       },
       "aoss" : {
         "endpoints" : {
+          "us-gov-east-1" : { },
           "us-gov-west-1" : { }
         }
       },