Update dependency got to version 7.x

[renovate-bot]

This Pull Request updates dependency got from version 6.7.1 to 7.0.0

Changelog

7.0.0 / 2017-05-29

• Add ability to opt-out of using `electron.net`
  And support using it in the renderer process => #314
• Request timeout (#308)
• Redirect on 307, 308, 303 (#307)
• Set up proxy event emitter before making a request (#304)
• Improve use in Electron (#311)
  When used in Electron, we can take advantage of its `net` module, which is documented to be compatible with the Node.js `http` module, but brings automatic proxy support and more.
• Use class syntax for errors (#306)
• Add WHATWG URL support (#289)
• Tiny cleanup
• Add ability to cancel in-progress requests (#287)
• Only throw ParseError on 2xx responses (#301)
• Include response headers and redirect URLs in error object (#302)
• Bump some devDependencies
• Set `url` and `requestUrl` directly on the response (#300)
  Party reverts: 382a0cfdd31dbe9501388cfb1b79c39e77b95788
• reduce retries number and make delays shorter (#299)
  Closes #222
• 🦄 Welcome @alextes to the project! 🌈
• Change stringifying options behavior (#297)
• Add docs for #295
• Check protocol before sending request (#295)
• Simplify URL argument test (#296)
• Don't throw HTTPError on 304 responses (#252)
• Add url to errors (#286)
• Remove Node.js 4.4.4 from testing
  Don't care about it.
• Remove now moot workaround for flaky tests
  Was only relevant for Node.js 0.10/0.12
• Bump dependencies and fix lint issues
• Use error constructor to check for ParseError (#273)
• Add protocol to stdError (#277)
  • Add protocol property to error properties test
  • Add protocol to stdError object
    Adds the protocol to the stdError object got uses for all its errors.
    Closes #249.
• Make (more) sure the error we get is the one we expect (#267)
• Bump `ava`
• Add an AWS service example (#255)
• Test against Node.js v7, remove v5 (#258)