Update endpoints model

Author: aws-sdk-swift-automation

codegen/sdk-codegen/sdk-endpoints.json

@@ -40662,6 +40662,11 @@
           "eusc-de-east-1" : { }
         }
       },
+      "rum" : {
+        "endpoints" : {
+          "eusc-de-east-1" : { }
+        }
+      },
       "runtime.sagemaker" : {
         "endpoints" : {
           "eusc-de-east-1" : { }