feat(genai): Disable PII scrubbing for gen ai operation name

Author: Dav1dde

relay-event-schema/src/protocol/span.rs

@@ -624,6 +624,10 @@ pub struct SpanData {
     )]
     pub gen_ai_tool_name: Annotated<Value>,
 
+    /// The name of the operation being performed.
+    #[metastructure(field = "gen_ai.operation.name", pii = "false")]
+    pub gen_ai_operation_name: Annotated<String>,
+
     /// The client's browser name.
     #[metastructure(field = "browser.name")]
     pub browser_name: Annotated<String>,