[EXPORTERS]: elastic search set instrumentation scope within `log.log…

…ger` instead of

`name`

According to ECS logging reference
https://www.elastic.co/guide/en/ecs/8.11/ecs-log.html#field-log-logger

Refs open-telemetry#3091

exporters/elasticsearch/src/es_log_recordable.cc

@@ -324,7 +324,7 @@ void ElasticSearchRecordable::SetInstrumentationScope(
     const opentelemetry::sdk::instrumentationscope::InstrumentationScope
         &instrumentation_scope) noexcept
 {
-  json_["name"] = instrumentation_scope.GetName();
+  json_["log"]["logger"] = instrumentation_scope.GetName();
 }
 
 }  // namespace logs