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

@@ -3740,6 +3740,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-6" : { },
           "ap-southeast-7" : { },
           "bedrock-ap-northeast-1" : {
             "credentialScope" : {
@@ -33350,6 +33351,12 @@
           }
         }
       },
+      "grafana" : {
+        "endpoints" : {
+          "us-gov-east-1" : { },
+          "us-gov-west-1" : { }
+        }
+      },
       "greengrass" : {
         "defaults" : {
           "protocols" : [ "https" ]
@@ -39499,6 +39506,12 @@
           "us-isof-south-1" : { }
         }
       },
+      "bedrock" : {
+        "endpoints" : {
+          "us-isof-east-1" : { },
+          "us-isof-south-1" : { }
+        }
+      },
       "budgets" : {
         "endpoints" : {
           "aws-iso-f-global" : {