docs: update CHANGELOG.md

Author: bednar

CHANGELOG.md

@@ -4,7 +4,6 @@
 1. [#49](https://github.com/influxdata/influxdb-client-swift/pull/49): Add support `async/await` functions
 1. [#48](https://github.com/influxdata/influxdb-client-swift/pull/48): Add `InvocableScriptsApi` to create, update, list, delete and invoke scripts by seamless way
 
-
 ### API
 1. [#49](https://github.com/influxdata/influxdb-client-swift/pull/49): Update InfluxDB API to latest version [OpenAPI]