Update CHANGELOG.md

Author: a-s-g93

servers/mcp-neo4j-memory/CHANGELOG.md

@@ -8,6 +8,8 @@
 * Implement FastMCP with function decorators to simplify server code
 * Add HTTP transport option
 * Migrate to FastMCP v2.x
+* rename tools to be more clear - `search_nodes` into `search_memories` and `find_nodes` into `find_memories_by_name`
+* Update underlying Pydantic class `ObservationAddition` to have `observations` field to be consistent with `ObservationDeletion` class
 
 ### Added
 * Add compatibility for NEO4J_URI and NEO4J_URL env variables