Update koa-router to version 7.0.1 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

koa-router just published its new version 7.0.1, 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 koa-router – 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 112 commits .

• ed6a21d 7.0.1
• 17fd098 Fix example typos. Closes #216.
• eec15be Fix typo.
• a0e0dbd Merge remote-tracking branch 'frederickfogerty/patch-2'
• dd2f0ee Fix tiny spelling mistake in README
• 09d6969 Fix: allowedMethods should be ctx.method not this.method
• 76f6337 Update readme.
• 1f1c45e Update history and readme.
• b8998e1 7.0.0
• 20e9c04 Add test for sharing context between routers.
• dde14ae Register multiple routes with array of paths.
• 8665620 Always run middleware in order defined by.use().
• f1b01d6 Add note about path-to-regexp.
• faab16d 6.2.0
• 08820ef Merge remote-tracking branch 'dizlexik/patch-1'

There are 112 commits in total. See the full diff.

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