chores: Update changelog to mention changes related to session data

Author: KShivendu

CHANGELOG.md

@@ -7,6 +7,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## unreleased
 
+### Breaking changes
+
+- Rename `get_session_data` to `get_session_data_from_database` to clarity that it always hits the DB
+- Renamed `update_session_data` to `update_session_data_in_database`
+- Renamed `session_data` to `session_data_in_database` in `SessionInformation` and the input to `create_new_session`
+
+
 ## [0.12.4] - 2023-03-29
 ### Changed
 - Update all example apps to initialise dashboard recipe