Use event.name as attribute key for exporting Log event name (#2050)

Author: cijothomas

opentelemetry-otlp/CHANGELOG.md

@@ -2,8 +2,12 @@
 
 ## vNext
 
-- **Breaking** [1994](https://github.com/open-telemetry/opentelemetry-rust/pull/1994) The logrecord event-name is added as attribute with
-key `name` only if the feature flag `populate-logs-event-name` is enabled.
+- **Breaking**
+The logrecord event-name is added as an attribute only if the feature flag
+`populate-logs-event-name` is enabled. The name of the attribute is changed from
+"name" to "event.name".
+[1994](https://github.com/open-telemetry/opentelemetry-rust/pull/1994),
+[2050](https://github.com/open-telemetry/opentelemetry-rust/pull/2050)
 
 ## v0.17.0
 

opentelemetry-proto/src/transform/logs.rs

@@ -103,7 +103,7 @@ pub mod tonic {
                         if let Some(event_name) = &log_record.event_name {
                             let mut attributes_with_name = attributes;
                             attributes_with_name.push(KeyValue {
-                                key: "name".into(),
+                                key: "event.name".into(),
                                 value: Some(AnyValue {
                                     value: Some(Value::StringValue(event_name.to_string())),
                                 }),