Update dependency gradle to v5.5.0

Thalia Technicie
2019-06-30T11:28:31+02:00

This MR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [gradle](https://gradle.org) ([source](https://github.com/gradle/gradle)) | gradle-wrapper | minor | `5.4.1` -> `5.5.0` | --- ### Renovat...

gradle (source) | gradle-wrapper | minor | 5.4.1 -> 5.5.0