Update endpoints model

AWS SDK for Go v2 automation user · AWS SDK for Go v2 automation user · commit f0d2816da649 · 2022-11-15T19:06:57.000Z
diff --git a/codegen/smithy-aws-go-codegen/src/main/resources/software/amazon/smithy/aws/go/codegen/endpoints.json b/codegen/smithy-aws-go-codegen/src/main/resources/software/amazon/smithy/aws/go/codegen/endpoints.json
@@ -9393,8 +9393,10 @@
           "ca-central-1" : { },
           "eu-central-1" : { },
           "eu-north-1" : { },
+          "eu-south-1" : { },
           "eu-west-1" : { },
           "eu-west-2" : { },
+          "eu-west-3" : { },
           "fips" : {
             "credentialScope" : {
               "region" : "us-west-1"
