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

@@ -16192,6 +16192,7 @@
             "hostname" : "rekognition-fips.ca-central-1.amazonaws.com"
           },
           "eu-central-1" : { },
+          "eu-south-2" : { },
           "eu-west-1" : { },
           "eu-west-2" : { },
           "il-central-1" : { },