fix(deps): update reactrouter monorepo to v4.3.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
react-router	dependencies	minor	4.2.0 -> 4.3.1	source
react-router-dom	dependencies	minor	4.2.2 -> 4.3.1	source

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Release Notes

ReactTraining/react-router

v4.3.1

Compare Source

Just a patch to fix an accidental move of warning from a normal dependency to a devDependency, which was causing issues with installation.

v4.3.0

Compare Source

Jun 6, 2018

• Use the pretty option in generatePath (#​6172 by @​sibelius)
• aria-current has incorrect value "true" (#​6118 by @​brandonrninefive)
• Redirect with parameters (#​5209 by @​dlindenkreuz)
• Fix with missing pathname: <Link to="?foo=bar"> (#​5489 by @​pshrmn)
• Escape NavLink path to allow special characters in path. (#​5596 by @​esiegel)
• Expose generatePath (#​5661 by @​rybon)
• Use named import of history module. (#​5589 by @​RoboBurned)
• Hoist dependencies for smaller UMD builds (#​5720 by @​pshrmn)
• Remove aria-current from navLink when inactive (#​5508 by @​AlmeroSteyn)
• Add invariant for missing "to" property on <Link> (#​5792 by @​selbekk)
• Use Prettier on the code (e6f9017 by @​mjackson)
• Fix pathless route's match when parent is null (#​5964 by @​pshrmn)
• Use history.createLocation in <StaticRouter> (#​5722 by @​pshrmn)

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