Update react in / from 16.2.0 to 16.3.1

[dependencies]

Dependencies.io has updated react (a npm dependency in /) from "16.2.0" to "16.3.1".

16.3.1

React

• Fix a false positive warning in IE11 when using Fragment. (heikkilamarko in #12504)
• Prefix a private API. (Andarist in #12501)
• Improve the warning when calling setState() in constructor. (gaearon in #12532)

React DOM

• Fix getDerivedStateFromProps() not getting applied in some cases. (acdlite in #12528)
• Fix a performance regression in development mode. (gaearon in #12510)
• Fix error handling bugs in development mode. (gaearon and acdlite in #12508)
• Improve user timing API messages for profiling. (flarnie in #12384)

Create Subscription

• Set the package version to be in sync with React releases. (bvaughn in #12526)
• Add a peer dependency on React 16.3+. (NMinhNguyen in #12496)