Update endpoints model

Author: aws-sdk-python-automation

awscli/botocore/data/endpoints.json

@@ -4152,6 +4152,7 @@
             "deprecated" : true,
             "hostname" : "cassandra-fips.us-west-2.amazonaws.com"
           },
+          "me-central-1" : { },
           "me-south-1" : { },
           "sa-east-1" : { },
           "us-east-1" : {