update change log for automatic generate keys

Author: ladamesny

changelog.md

@@ -16,6 +16,11 @@ This changelog is based on [Keep A Changelog](https://keepachangelog.com/en/1.1.
 
 ## Changed
 
+* automatic-generate-keys command**: New CLI command for automated session key generation
+  - Connects to running Partner Chain nodes via RPC to generate and decode session keys
+  - Eliminates manual key parsing by using node's built-in `sessionKeys_decodeSessionKeys` RPC
+  - Outputs JSON file with accurate key types (e.g., "gran", "imon", "aura") and public keys
+  - Configurable node URL via `--url` parameter (default: `http://localhost:9944`)
 * `partner-chains-db-sync-data-sources` and `partner-chains-mock-data-sources` crates now exports all its public members from the root
 * `partner-chains-db-sync-data-sources` crate now exports all its public members from the root
 * `smart-contracts` commands can accept parameter to configure Ogmios requests timeout