feat: update AWS service endpoints metadata

Author: aws-sdk-kotlin-ci

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

@@ -17716,6 +17716,11 @@
         "isRegionalized" : false,
         "partitionEndpoint" : "aws-global"
       },
+      "nova-act" : {
+        "endpoints" : {
+          "us-east-1" : { }
+        }
+      },
       "oam" : {
         "endpoints" : {
           "af-south-1" : { },
@@ -20596,6 +20601,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-6" : { },
           "ap-southeast-7" : { },
           "ca-central-1" : {
             "variants" : [ {