Update nyc to version 6.1.1 🚀

[greenkeeperio-bot]

Hello 👋

🚀🚀🚀

nyc just published its new version 6.1.1, 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 nyc – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging 🌴

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The new version differs by 24 commits (ahead by 24, behind by 1).

• d16c147 fix regression with --all
• 4a15488 Merge pull request #194 from bcoe/fix-189
• e5e9139 fix link in changelog
• 841f347 hot-fix for --all see https://github.com/bcoe/nyc/issues/189#issuecomment-195079883
• 9ce65e7 fix regression with argument overrides; fix yargs singleton bug; --all now supports multiple extensions
• cb5449a Merge pull request #193 from bcoe/update-changelog
• 3942bcb add entry about yargs upgrade
• d072fa8 more updates to changelog
• a422fd6 merged fix for findUp
• df12dcd Merge pull request #191 from bcoe/update-dependencies
• 3845241 Merge pull request #192 from bcoe/long-options
• 536c6a5 default all options to long form
• 85a9a46 Merge pull request #185 from rapzo/bug-reporters-config
• bb887b7 Merge pull request #180 from bcoe/fix-tests
• 931839a update dependencies, switch to safe version of yargs

There are 24 commits in total. See the full diff.

[coveralls]

Coverage remained the same at 100.0% when pulling 5111a67 on greenkeeper-nyc-6.1.1 into f2e45d4 on master.