doc: add entry to changelog

Author: mburri

CHANGELOG.md

@@ -23,6 +23,7 @@ You can also check the
     runtime, to avoid having to rebuild the application when the key is rotated
   - Use AGENTS.md instead of CLAUDE.md and adjust context according to recent
     findings of studies about the impact of context files for coding AIs
+  - Remove LINDASOld endpoint configurations
 - Documentation
   - added publiccode.yml for discoverability
 
@@ -1440,6 +1441,7 @@ visualize.admin.ch are now noticeable faster.
 #### Performance
 
 - Improved performance of cube data fetching
+
   - Added LRU cache to min max queries
   - Added query cache to bulk queries
   - Ordered filter so that non-discriminant filter are last