Update zone.js to version 0.6.11 🚀

[greenkeeperio-bot]

Hello 👋

🚀🚀🚀

zone.js just published its new version 0.6.11, 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 zone.js – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging 🌴

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The new version differs by 18 commits .

• ebd4526 chore: 0.6.11 release
• a95b13b test(node): add setInterval, Promise, and setTimeout tests to node suite (#322)
• 89530fe test(node): add task to run a subset of tests on node
• 2063814 chore(node): remove duplication in patching timers
• 29fc5d2 feat: node/node
• 6945852 chore(gulpfile): update typings path
• aa4c3f3 chore(package.json): update latest typings
• 001b5a9 chore: add note about what define-property is for.
• ea4c480 chore: lots of cleanup in preparation for a node.js entry point
• cc1e973 chore(saucelabs): update browser list
• f8d5dc7 fix: window undefined in node environments
• a6967ad fix(setTimeout): fix for #290, allow clearTimeout to be called in setTimeout callback
• e125173 fix: Suppress closure compiler warnings about unknown 'process' variable.
• 5dc4339 fix(WebSocket patch): fix WebSocket constants copy (#299)
• 55da3d8 feat(zonespec): add a spec for synchronous tests (#294)

There are 18 commits in total. See the full diff.

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