chore(deps): update dependency react-transition-group to v2.9.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
react-transition-group	2.7.0 -> 2.9.0

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Release Notes

reactjs/react-transition-group

v2.9.0

Compare Source

Features

• CSSTransition: add "done" class for appear (fe3c156), closes #​383 #​327 #​327

Reverts

• bump semantic release dependencies (1bdcaec)

v2.8.0

Compare Source

Features

• add support for empty classNames (#​481) (d755dc6)

2.7.1 (2019-03-25)

Bug Fixes

• revert tree-shaking support because it was a breaking change (271364c)

v2.7.1

Compare Source

Bug Fixes

• revert tree-shaking support because it was a breaking change (271364c)

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