Features:

• Add support for AsyncResource (#1403)

Bugfixes:

• Fix .reduce generating unhandled rejection events (#1501)
• Fix Promise.reduce` generating unhandled rejction events (#1502)
• Fix .map and .filter generating unhandled rejection events (#1487)
• Fix Promise.map` unhandled rejection events (#1489)
• Fix cancel skipping upward propagation (#1459)
• Fix loadTimes deprecation (#1505)
• Fix Promise.each` maximum stack exceeded error (#1326)
• Make PromiseRejectionEvent confrom to spec (#1509)
• Fix false unhandled rejection events (#1468)