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

@@ -36522,6 +36522,12 @@
       }
     },
     "services" : {
+      "acm" : {
+        "endpoints" : {
+          "us-iso-east-1" : { },
+          "us-iso-west-1" : { }
+        }
+      },
       "agreement-marketplace" : {
         "endpoints" : {
           "fips-us-iso-east-1" : {