Update eslint-config-standard to the latest version 🚀

[greenkeeper]

The devDependency eslint-config-standard was updated from 12.0.0 to 13.0.1.

This version is not covered by your current version range.

If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.

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Publisher: feross
License: MIT

Find out more about this release.

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[TravisBuddy]

Travis tests have failed

Hey @Greenkeeper[bot],
Please read the following log in order to understand the failure reason.
It'll be awesome if you fix what's wrong and commit the changes.

Node.js: 8

View build log

npm test

> cloudscraper@4.1.2 test /home/travis/build/codemanki/cloudscraper
> npm run lint && nyc --reporter=html --reporter=text mocha


> cloudscraper@4.1.2 lint /home/travis/build/codemanki/cloudscraper
> eslint --ext .json --ext .js .


/home/travis/build/codemanki/cloudscraper/docs/examples/custom-headers-v2.js
  6:3  error  Unnecessarily quoted property 'Connection' found  quote-props
  8:3  error  Unnecessarily quoted property 'Accept' found      quote-props

/home/travis/build/codemanki/cloudscraper/docs/examples/custom-headers.js
  5:5  error  Unnecessarily quoted property 'Connection' found  quote-props
  7:5  error  Unnecessarily quoted property 'Accept' found      quote-props

/home/travis/build/codemanki/cloudscraper/docs/examples/unsupported-requester.js
  27:9  error  'error' is never reassigned. Use 'const' instead  prefer-const

/home/travis/build/codemanki/cloudscraper/errors.js
  24:3  error  Unnecessarily quoted property '520' found   quote-props
  25:3  error  Unnecessarily quoted property '521' found   quote-props
  26:3  error  Unnecessarily quoted property '522' found   quote-props
  27:3  error  Unnecessarily quoted property '523' found   quote-props
  28:3  error  Unnecessarily quoted property '524' found   quote-props
  29:3  error  Unnecessarily quoted property '525' found   quote-props
  30:3  error  Unnecessarily quoted property '526' found   quote-props
  31:3  error  Unnecessarily quoted property '527' found   quote-props
  32:3  error  Unnecessarily quoted property '530' found   quote-props
  34:3  error  Unnecessarily quoted property '1000' found  quote-props
  35:3  error  Unnecessarily quoted property '1001' found  quote-props
  36:3  error  Unnecessarily quoted property '1002' found  quote-props
  37:3  error  Unnecessarily quoted property '1003' found  quote-props
  38:3  error  Unnecessarily quoted property '1004' found  quote-props
  39:3  error  Unnecessarily quoted property '1005' found  quote-props
  40:3  error  Unnecessarily quoted property '1010' found  quote-props
  41:3  error  Unnecessarily quoted property '1011' found  quote-props
  42:3  error  Unnecessarily quoted property '1012' found  quote-props
  43:3  error  Unnecessarily quoted property '1013' found  quote-props
  44:3  error  Unnecessarily quoted property '1016' found  quote-props
  45:3  error  Unnecessarily quoted property '1018' found  quote-props
  46:3  error  Unnecessarily quoted property '1020' found  quote-props

/home/travis/build/codemanki/cloudscraper/index.js
   29:34  error  Unnecessarily quoted property 'Host' found                      quote-props
  194:3   error  'stringBody' is never reassigned. Use 'const' instead           prefer-const
  207:3   error  'isChallenge' is never reassigned. Use 'const' instead          prefer-const
  213:3   error  'isRedirectChallenge' is never reassigned. Use 'const' instead  prefer-const
  240:3   error  'match' is never reassigned. Use 'const' instead                prefer-const
  243:9   error  'code' is never reassigned. Use 'const' instead                 prefer-const

/home/travis/build/codemanki/cloudscraper/test/test-index.js
  144:9  error  Unnecessarily quoted property 'jschl_vc' found      quote-props
  146:9  error  Unnecessarily quoted property 'jschl_answer' found  quote-props
  147:9  error  Unnecessarily quoted property 'pass' found          quote-props
  150:9  error  Unnecessarily quoted property 'Referer' found       quote-props
  182:9  error  Unnecessarily quoted property 'jschl_vc' found      quote-props
  184:9  error  Unnecessarily quoted property 'jschl_answer' found  quote-props
  185:9  error  Unnecessarily quoted property 'pass' found          quote-props
  188:9  error  Unnecessarily quoted property 'Referer' found       quote-props
  220:9  error  Unnecessarily quoted property 'jschl_vc' found      quote-props
  222:9  error  Unnecessarily quoted property 'jschl_answer' found  quote-props
  223:9  error  Unnecessarily quoted property 'pass' found          quote-props
  226:9  error  Unnecessarily quoted property 'Referer' found       quote-props
  257:9  error  Unnecessarily quoted property 's' found             quote-props
  258:9  error  Unnecessarily quoted property 'jschl_vc' found      quote-props
  259:9  error  Unnecessarily quoted property 'jschl_answer' found  quote-props
  260:9  error  Unnecessarily quoted property 'pass' found          quote-props
  263:9  error  Unnecessarily quoted property 'Referer' found       quote-props
  293:9  error  Unnecessarily quoted property 's' found             quote-props
  294:9  error  Unnecessarily quoted property 'jschl_vc' found      quote-props
  295:9  error  Unnecessarily quoted property 'jschl_answer' found  quote-props
  296:9  error  Unnecessarily quoted property 'pass' found          quote-props
  299:9  error  Unnecessarily quoted property 'Referer' found       quote-props
  340:9  error  Unnecessarily quoted property 'jschl_vc' found      quote-props
  341:9  error  Unnecessarily quoted property 'pass' found          quote-props
  343:9  error  Unnecessarily quoted property 'jschl_answer' found  quote-props
  346:9  error  Unnecessarily quoted property 'Referer' found       quote-props
  355:9  error  Unnecessarily quoted property 'jschl_vc' found      quote-props
  356:9  error  Unnecessarily quoted property 'pass' found          quote-props
  358:9  error  Unnecessarily quoted property 'jschl_answer' found  quote-props
  361:9  error  Unnecessarily quoted property 'Referer' found       quote-props
  491:9  error  Unnecessarily quoted property 'jschl_vc' found      quote-props
  493:9  error  Unnecessarily quoted property 'jschl_answer' found  quote-props
  494:9  error  Unnecessarily quoted property 'pass' found          quote-props
  497:9  error  Unnecessarily quoted property 'Referer' found       quote-props

✖ 67 problems (67 errors, 0 warnings)
  63 errors and 0 warnings potentially fixable with the `--fix` option.

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! cloudscraper@4.1.2 lint: `eslint --ext .json --ext .js .`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the cloudscraper@4.1.2 lint script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/travis/.npm/_logs/2019-07-11T21_20_30_727Z-debug.log
npm ERR! Test failed.  See above for more details.

TravisBuddy Request Identifier: b839e9f0-a421-11e9-8928-81693ac37660