Update yargs to version 4.7.1 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

yargs just published its new version 4.7.1, which is not covered by your current version range.

If this pull request passes your tests you can publish your software with the latest version of yargs – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging :palm_tree:

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The new version differs by 134 commits .

• 3227248 docs: call out @jameswomack
• 320a70f chore(release): 4.7.1
• 03ab687 fix: use const as a semantic tool (#502)
• 1977f07 chore: use const as a semantic tool
• 9f8c6f4 fix: make stdout flush on newer versions of Node.js (#501)
• 796285d fix(package): update camelcase to version 3.0.0 (#495)
• f1e8d8a chore(package): update standard to version 7.0.0 (#493)
• 82d4412 chore: fix up corrupt changelog
• 68b59d0 chore(release): 4.7.0
• 5e48074 chore: upgrade nyc and standard-version
• 8ce6a8b chore(package): update nyc to version 6.4.1 (#490)
• 74fcfbc feat(completion): allow to get completions for any string, not just process.argv (#470)
• b900502 fix(pkgConf): fix aliases issues in .pkgConf() (#478)
• e0a7e05 feat(configuration): Allow to directly pass a configuration object to .config() (#480)
• 44883f0 docs: Moving 'else' to the same line as closing curly brace in example code (#483)

There are 134 commits in total. See the full diff.

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