feat: update AWS service endpoints metadata

Author: aws-sdk-kotlin-ci

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

@@ -5729,6 +5729,7 @@
               "tags" : [ "dualstack" ]
             } ]
           },
+          "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "cognito-identity.ca-central-1.amazonaws.com",
@@ -5966,6 +5967,7 @@
               "tags" : [ "dualstack" ]
             } ]
           },
+          "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
               "hostname" : "cognito-idp.ca-central-1.amazonaws.com",