Update joi to version 8.0.2 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

joi just published its new version 8.0.2, 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 joi – 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 45 commits .

• 0f83d52 8.0.2
• d7b9072 Update LICENSE
• a73ec7c Merge pull request #830 from ssavoy/issue-827
• a21a966 Return any.empty error for trimmed whitespace (fixes #827)
• 7757539 Do not flatten example input (fixes #828)
• 8e8ed24 Add issues template
• d417fec 8.0.1
• 7c8c238 Do not modify original assert arg value
• 986109a 8.0.0
• cdb797f Fix references descriptions (fixes #592)
• cadc1ef Print string versions of NaN, Infinity and -Infinity
• 5354963 Allow type-based chainable whens (fixes #763)
• 101db42 7.3.0
• da05fa2 Unrestrict types for valid/invalid (fixes #760)
• bb66e95 Allow .valid() to run other tests as well

There are 45 commits in total. See the full diff.

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