message: Add changelog entry for parallel storage
diff: @@ -40,6 +40,7 @@ All notable changes to this project will be documented in this file. The format
  * OpenSSL has been bumped to version 1.1.1.n, if compiling with vendored OpenSSL to address [CVE-2022-0778](https://www.openssl.org/news/secadv/20220315.txt).
  * Switch blocks immediately after genesis or an upgrade are now signed.
  * Added CORS behavior to allow any route on the JSON-RPC, REST and SSE servers.
  +* Storage operations are now executed in parallel, the degree of parallelism can be controlled through the `storage.max_sync_tasks` setting.
  ### Deprecated
  * Deprecate the `starting_state_root_hash` field from the REST and JSON-RPC status endpoints.
  