feat: update AWS service endpoints metadata

Author: aws-sdk-kotlin-ci

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

@@ -14324,6 +14324,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-6" : { },
           "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {
@@ -40442,6 +40443,11 @@
           "eusc-de-east-1" : { }
         }
       },
+      "guardduty" : {
+        "endpoints" : {
+          "eusc-de-east-1" : { }
+        }
+      },
       "health" : {
         "endpoints" : {
           "eusc-de-east-1" : {