Added changelog entry.

Author: mgruner

CHANGELOG.md

@@ -1,3 +1,6 @@
+## [2.0.5] - 2022-09-02
+- Fixed [#42](https://github.com/zammad/zammad-api-client-php/issues/42) - Call to undefined method GuzzleHttp\Exception\ConnectException::getResponse().
+
 ## [2.0.4] - 2022-07-29
 - Fixed [#49](https://github.com/zammad/zammad-api-client-php/issues/49) - "on_behalf_of_user" never gets initialized, which leads to conflicts.
 - Fixed [#47](https://github.com/zammad/zammad-api-client-php/issues/47) - Make Guzzles HTTP connect_timeout configurable or set a decent default.