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

@@ -18807,6 +18807,7 @@
             "deprecated" : true,
             "hostname" : "workspaces-fips.us-west-2.amazonaws.com"
           },
+          "il-central-1" : { },
           "sa-east-1" : { },
           "us-east-1" : {
             "variants" : [ {