core: Serialize warnings to Elasticsearch as 'warning', not 'warn'
@@ -34,7 +34,7 @@ where
serializer.serialize_str(match level {
Level::Critical => "critical",
Level::Error => "error",
- Level::Warning => "warn",
+ Level::Warning => "warning",
Level::Info => "info",
Level::Debug => "debug",
Level::Trace => "trace",
