[Snyk] Upgrade react-transition-group from 2.2.1 to 2.9.0

[snyk-bot]

Snyk has created this PR to upgrade react-transition-group from 2.2.1 to 2.9.0.

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• The recommended version is 14 versions ahead of your current version.
• The recommended version was released a year ago, on 2019-04-06.

Release notes

Package name: react-transition-group

• 2.9.0 - 2019-04-06
  

  2.9.0 (2019-04-06)

  Features

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

  Reverts

  • bump semantic release dependencies (1bdcaec)
• 2.8.0 - 2019-04-02
  

  2.8.0 (2019-04-02)

  Features

  • add support for empty classNames (#481) (d755dc6)
• 2.7.1 - 2019-03-25
  

  2.7.1 (2019-03-25)

  Bug Fixes

  • revert tree-shaking support because it was a breaking change (271364c)
• 2.7.0 - 2019-03-22
  

  2.7.0 (2019-03-22)

  Features

  • support ESM (tree-shaking) (#455) (ef3e357)
• 2.6.1 - 2019-03-14
  

  2.6.1 (2019-03-14)

  Bug Fixes

  • Transition: make exit key optional when passing an object to the timeout prop (#464) (3a4cf9c)
  • package.json: mark react-transition-group as side-effect free for webpack tree shaking (#472) (b81dc89)
• 2.6.0 - 2019-02-26
  

  2.6.0 (2019-02-26)

  Features

  • add appear timeout (#462) (52cdc34)
• 2.5.3 - 2019-01-14
  

  2.5.3 (2019-01-14)

  Bug Fixes

  • strip custom prop-types in production (#448) (46fa20f)
• 2.5.2 - 2018-12-20
  

  2.5.2 (2018-12-20)

  Bug Fixes

  • pass appear to CSSTransition callbacks (#441) (df7adb4), closes #143
• 2.5.1 - 2018-12-10
  

  2.5.1 (2018-12-10)

  Bug Fixes

  • prevent calling setState in TransitionGroup if it has been unmounted (#435) (6d46b69)
• 2.5.0 - 2018-09-26
  

  2.5.0 (2018-09-26)

  Features

  • update build and package dependencies (#413) (af3d45a)
• 2.4.0 - 2018-06-27
• 2.3.1 - 2018-04-14
• 2.3.0 - 2018-03-28
• 2.3.0-beta.0 - 2017-10-09
• 2.2.1 - 2017-09-29

from react-transition-group GitHub release notes

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