Update opn-cli to version 3.0.0 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

opn-cli just published its new version 3.0.0, 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 opn-cli – 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 6 commits .

• 3acd9c6 3.0.0
• abf903c Merge pull request #3 from sindresorhus/no-wait
• d3bed5b use no-wait as default
• 3e4348e minor tweak
• 1ffbb76 2.0.0
• c83b90b ES2015ify

See the full diff.

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