[Doppins] Upgrade dependency react-transition-group to ^4.1.0

[doppins-bot]

Hi!

A new version was just released of react-transition-group, so Doppins
has upgraded your project's dependency ranges.

Make sure that it doesn't break anything, and happy merging!

---

Upgraded react-transition-group from ^2.5.0 to ^3.0.0

Changelog:

Version 3.0.0

3.0.0 (https://github.com/reactjs/react-transition-group/compare/v2.9.0...v3.0.0) (2019-04-15)

Features

• use stable context API (#471](https://github.com/reactjs/react-transition-group/issues/471)) (aee4901), closes [#429 (https://github.com/reactjs/react-transition-group/issues/429)

BREAKING CHANGES

• use new style react context

// package.json
-"react": "^15.0.0",
+"react": "^16.6.0",
-"react-dom": "^15.0.0", 
+"react-dom": "^16.6.0", 

[codecov]

Codecov Report

Merging #43 into dev will not change coverage.
The diff coverage is n/a.

@@         Coverage Diff         @@
##            dev    #43   +/-   ##
===================================
  Coverage   100%   100%           
===================================
  Files         2      2           
  Lines        15     15           
  Branches      4      4           
===================================
  Hits         15     15

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[doppins-bot]

An additional new version was just released of react-transition-group, so we've added an
extra commit upgrading your range to ^4.0.0.

Hope that's alright!
— Doppins

[doppins-bot]

An additional new version was just released of react-transition-group, so we've added an
extra commit upgrading your range to ^4.0.1.

Hope that's alright!
— Doppins

[doppins-bot]

An additional new version was just released of react-transition-group, so we've added an
extra commit upgrading your range to ^4.1.0.

Hope that's alright!
— Doppins