Update lab to version 7.1.0 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

lab just published its new version 7.1.0, 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 lab – 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 286 commits .

• 37418e9 version 7.1.0
• 2ce4fe8 Merge pull request #478 from geek/master
• 073a852 Update to use ES6 style and lint rules
• 02704a5 Merge pull request #477 from hapijs/es6
• 54db70a es6
• 35cf424 strict mode
• c9806b5 version 7.0.0
• cb999c1 Merge pull request #471 from HCanber/for-var-470
• d5ddb94 Merge pull request #473 from geek/master
• 1d0583c Remove node 0.10 support
• b8a0e7d Remove node 0.10 support from travis
• 32e9c1c Do not add tracking code before "var" in "for(var x of xs)"
• 45ad3e1 Add test to prove that issue #470 is correct, i.e. cannot handle for-of
• bb94a74 version 6.2.0
• 4deb9bf Merge pull request #460 from hapijs/cjihrig-patch-1

There are 250 commits in total. See the full diff.

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