Update unexpected to version 10.8.4 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

unexpected just published its new version 10.8.4, 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 unexpected – 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 147 commits .

• d9999f9 10.8.4
• b41c9a1 Build unexpected.js
• d1de8f7 10.8.3
• f044614 Added missing returns in the prefix and suffix methods of the binaryArray type.
• c8c9fbc 10.8.2
• a8600f8 treat as a jspm package
• 5fc7fdf add jspm support
• 00380e6 10.8.1
• 7ffdd30 Build unexpected.js
• 1ea8f34 Revert "Merge pull request #239 from unexpectedjs/feature/bluebird3"
• 571ea4a Revert "Avoid using Bluebird's Promise.settle, silences deprecation warning."
• 0e537c4 10.8.0
• 0d98f3a Build unexpected.js
• 615f7b1 Avoid using Bluebird's Promise.settle, silences deprecation warning.
• d9b7f78 Merge pull request #258 from unexpectedjs/feature/toHaveItemsExhaustivelySatisfying

There are 147 commits in total. See the full diff.

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