Update endpoints model

Author: AWS SDK for Go v2 automation user

codegen/smithy-aws-go-codegen/src/main/resources/software/amazon/smithy/aws/go/codegen/endpoints.json

@@ -12705,6 +12705,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-6" : { },
           "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
@@ -37933,6 +37934,11 @@
           "us-isob-west-1" : { }
         }
       },
+      "bedrock" : {
+        "endpoints" : {
+          "us-isob-east-1" : { }
+        }
+      },
       "budgets" : {
         "endpoints" : {
           "aws-iso-b-global" : {