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

@@ -5138,6 +5138,7 @@
           "ap-southeast-1" : { },
           "ap-southeast-2" : { },
           "ap-southeast-3" : { },
+          "ap-southeast-4" : { },
           "ca-central-1" : { },
           "eu-central-1" : { },
           "eu-central-2" : { },
@@ -18129,12 +18130,34 @@
             "credentialScope" : {
               "region" : "us-gov-east-1"
             },
+            "hostname" : "access-analyzer.us-gov-east-1.amazonaws.com",
+            "variants" : [ {
+              "hostname" : "access-analyzer.us-gov-east-1.amazonaws.com",
+              "tags" : [ "fips" ]
+            } ]
+          },
+          "us-gov-east-1-fips" : {
+            "credentialScope" : {
+              "region" : "us-gov-east-1"
+            },
+            "deprecated" : true,
             "hostname" : "access-analyzer.us-gov-east-1.amazonaws.com"
           },
           "us-gov-west-1" : {
             "credentialScope" : {
               "region" : "us-gov-west-1"
             },
+            "hostname" : "access-analyzer.us-gov-west-1.amazonaws.com",
+            "variants" : [ {
+              "hostname" : "access-analyzer.us-gov-west-1.amazonaws.com",
+              "tags" : [ "fips" ]
+            } ]
+          },
+          "us-gov-west-1-fips" : {
+            "credentialScope" : {
+              "region" : "us-gov-west-1"
+            },
+            "deprecated" : true,
             "hostname" : "access-analyzer.us-gov-west-1.amazonaws.com"
           }
         }