feat: update AWS service endpoints metadata

Author: aws-sdk-kotlin-ci

codegen/aws-sdk-codegen/src/main/resources/aws/sdk/kotlin/codegen/endpoints.json

@@ -13240,6 +13240,12 @@
             },
             "hostname" : "portal.sso.il-central-1.amazonaws.com"
           },
+          "me-central-1" : {
+            "credentialScope" : {
+              "region" : "me-central-1"
+            },
+            "hostname" : "portal.sso.me-central-1.amazonaws.com"
+          },
           "me-south-1" : {
             "credentialScope" : {
               "region" : "me-south-1"