Update dependency react-i18next to v10

Thalia Technicie
2019-05-30T11:16:33+02:00

This MR contains the following updates: | Package | Type | Update | Change | References | |---|---|---|---|---| | react-i18next | dependencies | major | [`9.0.10` -> `10.10.0`](https://diff.intrinsic.com/react-i18next/9.0.10/10.10.0) | ...

react-i18next | dependencies | major | 9.0.10 -> 10.10.0 | source