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

@@ -23195,14 +23195,26 @@
       },
       "workspaces" : {
         "endpoints" : {
+          "fips-us-gov-east-1" : {
+            "credentialScope" : {
+              "region" : "us-gov-east-1"
+            },
+            "deprecated" : true,
+            "hostname" : "workspaces-fips.us-gov-east-1.amazonaws.com"
+          },
           "fips-us-gov-west-1" : {
             "credentialScope" : {
               "region" : "us-gov-west-1"
             },
             "deprecated" : true,
             "hostname" : "workspaces-fips.us-gov-west-1.amazonaws.com"
           },
-          "us-gov-east-1" : { },
+          "us-gov-east-1" : {
+            "variants" : [ {
+              "hostname" : "workspaces-fips.us-gov-east-1.amazonaws.com",
+              "tags" : [ "fips" ]
+            } ]
+          },
           "us-gov-west-1" : {
             "variants" : [ {
               "hostname" : "workspaces-fips.us-gov-west-1.amazonaws.com",