Bump react-transition-group from 2.5.0 to 2.5.2

[dependabot-preview[bot]]

Bumps react-transition-group from 2.5.0 to 2.5.2.

Release notes

*Sourced from [react-transition-group's releases](https://github.com/reactjs/react-transition-group/releases).* > ## v2.5.2 > ## [2.5.2](https://github.com/reactjs/react-transition-group/compare/v2.5.1...v2.5.2) (2018-12-20) > > > ### Bug Fixes > > * pass appear to CSSTransition callbacks ([#441](https://github-redirect.dependabot.com/reactjs/react-transition-group/issues/441)) ([df7adb4](https://github.com/reactjs/react-transition-group/commit/df7adb4)), closes [#143](https://github-redirect.dependabot.com/reactjs/react-transition-group/issues/143) > > ## v2.5.1 > ## [2.5.1](https://github.com/reactjs/react-transition-group/compare/v2.5.0...v2.5.1) (2018-12-10) > > > ### Bug Fixes > > * prevent calling setState in TransitionGroup if it has been unmounted ([#435](https://github-redirect.dependabot.com/reactjs/react-transition-group/issues/435)) ([6d46b69](https://github.com/reactjs/react-transition-group/commit/6d46b69))

Changelog

*Sourced from [react-transition-group's changelog](https://github.com/reactjs/react-transition-group/blob/master/CHANGELOG.md).* > ## [2.5.2](https://github.com/reactjs/react-transition-group/compare/v2.5.1...v2.5.2) (2018-12-20) > > > ### Bug Fixes > > * pass appear to CSSTransition callbacks ([#441](https://github-redirect.dependabot.com/reactjs/react-transition-group/issues/441)) ([df7adb4](https://github.com/reactjs/react-transition-group/commit/df7adb4)), closes [#143](https://github-redirect.dependabot.com/reactjs/react-transition-group/issues/143) > > ## [2.5.1](https://github.com/reactjs/react-transition-group/compare/v2.5.0...v2.5.1) (2018-12-10) > > > ### Bug Fixes > > * prevent calling setState in TransitionGroup if it has been unmounted ([#435](https://github-redirect.dependabot.com/reactjs/react-transition-group/issues/435)) ([6d46b69](https://github.com/reactjs/react-transition-group/commit/6d46b69))

Commits

- [`8f68611`](https://github.com/reactjs/react-transition-group/commit/8f6861144d46fbe76a65d5c1daa601f97c91955f) chore(release): 2.5.2 [skip ci] - [`df7adb4`](https://github.com/reactjs/react-transition-group/commit/df7adb45e3977ee93ddbb9eb087452bf78b872ae) fix: pass appear to CSSTransition callbacks ([#441](https://github-redirect.dependabot.com/reactjs/react-transition-group/issues/441)) - [`69a45c4`](https://github.com/reactjs/react-transition-group/commit/69a45c45d8f8cbfdccf1320da61d0a980022397d) docs: Fix type declaration comment ([#439](https://github-redirect.dependabot.com/reactjs/react-transition-group/issues/439)) - [`977c9ce`](https://github.com/reactjs/react-transition-group/commit/977c9ce44a8b3bc2a04a25f6288b206a2a5812c3) chore(release): 2.5.1 [skip ci] - [`6d46b69`](https://github.com/reactjs/react-transition-group/commit/6d46b691cd64b3912c016844ba706b38de77ced0) fix: prevent calling setState in TransitionGroup if it has been unmounted ([#435](https://github-redirect.dependabot.com/reactjs/react-transition-group/issues/435)) - [`c1787ed`](https://github.com/reactjs/react-transition-group/commit/c1787ed05c636b32f36158c55db5049e082195b6) Merge pull request [#421](https://github-redirect.dependabot.com/reactjs/react-transition-group/issues/421) from joss-c/patch-1 - [`af2ca0c`](https://github.com/reactjs/react-transition-group/commit/af2ca0c46bd5b22f6d0bafdaedcc7f39400d67d5) Fix CDN/External link - [`8943f40`](https://github.com/reactjs/react-transition-group/commit/8943f40432e60d66ee2b5dc2eb6b660ed5dc9b34) Merge pull request [#418](https://github-redirect.dependabot.com/reactjs/react-transition-group/issues/418) from ievax/patch-1 - [`bcb854f`](https://github.com/reactjs/react-transition-group/commit/bcb854ff824a512cdbb81923ccb979500d494f5d) Update year in LICENSE - See full diff in [compare view](https://github.com/reactjs/react-transition-group/compare/v2.5.0...v2.5.2)

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Superseded by #571.