docs(fix): fix traces category

Author: nerda-codes

pages/cockpit/how-to/activate-push-traces.mdx

@@ -6,7 +6,7 @@ content:
   h1: How to create and push traces
   paragraph: Learn how to create traces, retrieve trace push paths, and push traces.
 categories:
-  - observability cockpit traces push
+  - observability
 dates:
   validation: 2024-12-26
   posted: 2023-10-31