Bump core-js from 2.6.9 to 3.2.1

[dependabot-preview]

Bumps core-js from 2.6.9 to 3.2.1.

Changelog

Sourced from core-js's changelog.

3.2.1 - 2019.08.12

• Added a workaround for possible recursion in microtasks caused by conflicts with other Promise polyfills, #615

3.2.0 - 2019.08.09

• Promise.allSettled moved to stable ES, per July TC39 meeting
• Promise.any moved to stage 2, .errors property of AggregateError instances maked non-enumerable, per July TC39 meeting
• using statement proposal moved to stage 2, added Symbol.asyncDispose, per July TC39 meeting
• Added Array.isTemplateObject stage 2 proposal, per June TC39 meeting
• Added Map#updateOrInsert stage 1 proposal, per July TC39 meeting
• Added a fix for Math.hypot V8 7.7 bug, since it's still not stable without adding results to core-js-compat
• Added a workaround for APIs where not possible to replace broken native Promise, #579 - added .finally and patched .then to / on native Promise prototype
• Fixed crashing of Opera Presto, #595
• Fixed incorrect early breaking of { Map, Set, WeakMap, WeakSet }.deleteAll
• Fixed some missed dependencies in entry points
• Added compat data for Node 12.5, FF 67, Safari 13
• Added support of DISABLE_OPENCOLLECTIVE env variable to postinstall script
• Removed core-js-pure dependency from core-js-compat, #590
• Fixed generation of core-js-compat on Windows, #606

3.1.4 - 2019.06.15

• Refactoring. Many minor internal improvements and fixes like:
  • Improved Symbol.keyFor complexity to O(1)
  • Fixed the order of arguments validation in String.prototype.{ endsWith, includes, startsWith }
  • Internal implementation of RegExp#flags helper now respect dotAll flag (mainly ralated to the pure version)
  • Performace optimizations related old V8
  • Etc.

3.1.3 - 2019.05.27

• Fixed core-js/features/reflect/delete-metadata entry point
• Some fixes and improvements of the postinstall script like support npm color config (#556) or adding support of ADBLOCK env variable
• Refactoring and some minor fixes

Commits

• 760943b 3.2.1
• 29464db add a workaround for a possible recursion in microtasks, #615
• 3699c84 3.2.0
• e5fd12b update packages readmes
• b117eed update electron-to-chromium
• 119315b increase of the possible number companies-sponsors in the readme
• aeaeaac update dependencies
• 601b6c4 add Array.isTemplateObject stage 2 proposal
• 8b39aa5 update the changelog
• 36d4b4c fix crashing of Opera Presto, close #595
• Additional commits viewable in compare view

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