Update CHANGELOG.md

Author: mehcode

CHANGELOG.md

@@ -87,6 +87,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  prepared API (notably Postgres and MySQL send data back in TEXT mode as opposed to in BINARY mode).
 
  ```rust
+ use sqlx::Executor;
+ 
  // Set the time zone parameter
  conn.execute("SET TIME ZONE LOCAL;").await