Update yargs to version 3.31.0 🚀

[greenkeeperio-bot]

Hello 👋

🚀🚀🚀

yargs just published its new version 3.31.0, 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 🌴

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The new version differs by 33 commits .

• e37a70c several new translations. command API improvements. yargs now handles environment variables
• 0f63bfd whoops, typo in changelog
• 5b56cc2 update changelog
• 1f02ddd Merge pull request #239 from bcoe/argv-passed-to-commands
• 34bc8cc Merge pull request #308 from nexdrew/env-vars
• 975edcc Merge pull request #309 from bcoe/bump-dependencies
• 09a56e8 update dependencies
• ee01a5b update test based on @nexdrew's code review
• 9f10c38 fix spelling nit
• 9a30936 pass argv as a second argument to command handlers
• 81be322 thought of another env var test
• b1cb500 apply env vars to argv via prefix-based api
• cf6dccd update changelog readme
• 9fe251c Merge pull request #300 from feyzo/turkish
• 0e6bd69 update changelog

There are 33 commits in total. See the full diff.

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