misc(native): Add native-execution-enabled in HiveExternalWorkerQueryRunner (#26548)

```
== NO RELEASE NOTE ==
```

Author: aditi-pandit

presto-native-execution/src/test/java/com/facebook/presto/nativeworker/PrestoNativeQueryRunnerUtils.java

@@ -503,6 +503,7 @@ public static Optional<BiFunction<Integer, URI, Process>> getExternalWorkerLaunc
                         // Write config file - use an ephemeral port for the worker.
                         String configProperties = format("discovery.uri=%s%n" +
                                 "presto.version=testversion%n" +
+                                "native-execution-enabled=true%n" +
                                 "system-memory-gb=4%n" +
                                 "http-server.http.port=0%n", discoveryUri);