Add entry for the kwargs of the callback function in the changelog

CHANGELOG.md

@@ -3,6 +3,7 @@
 - parser: Changed InReach parser (fixes #73)
 - parser: separated incompatible ID into parser dependant ID (lt24: address -> lt24_id, skylines: address -> skylines_id,
           spider: id_spider -> spider_registration, address -> spider_id, spot: address -> spot_id) (fixes #64)
+- client: Added keyword arguments for the callback function in the 'run' method of the client
 
 ## 0.9.7: - 2020-05-21
 - parser: Added support for OGPAW (PilotAware) beacons