fix(deps): update dependency react-transition-group to ^2.5.2

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change	References
react-transition-group	dependencies	patch	^2.5.1 -> ^2.5.2	source

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Release Notes

reactjs/react-transition-group

### [`v2.5.2`](https://renovatebot.com/gh/reactjs/react-transition-group/blob/master/CHANGELOG.md#​252httpsgithubcomreactjsreact-transition-groupcomparev251v252-2018-12-20) [Compare Source](https://renovatebot.com/gh/reactjs/react-transition-group/compare/v2.5.1...v2.5.2) ##### Bug Fixes - pass appear to CSSTransition callbacks ([#​441](https://renovatebot.com/gh/reactjs/react-transition-group/issues/441)) ([df7adb4](https://renovatebot.com/gh/reactjs/react-transition-group/commit/df7adb4)), closes [#​143](https://renovatebot.com/gh/reactjs/react-transition-group/issues/143)

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