[Snyk] Upgrade core-js from 3.3.1 to 3.6.1

[snyk-bot]

Snyk has created this PR to upgrade core-js from 3.3.1 to 3.6.1.

ℹ️ Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

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• The recommended version is 17 versions ahead of your current version.
• The recommended version was released 15 days ago, on 2019-12-25.

Release notes

Package name: core-js

• 3.6.1 - 2019-12-25
  
  • Fixed a bug related Symbol with multiple copies of core-js (for 3.4.2-3.6.0), #736
  • Refactored some tools
• 3.6.0 - 2019-12-18
  
  • Added support of sticky (y) RegExp flag, #372, #732, #492, thanks @cvle and @nicolo-ribaudo
  • Added RegExp#test delegation to RegExp#exec, #732, thanks @cvle
  • Fixed some cases of Object.create(null) in IE8-, #727, #728, thanks @aleen42
  • Allowed object of minimum environment versions as core-js-compat and core-js-builder targets argument
  • Allowed corresponding to Babel targets.esmodules, targets.browsers, targets.node options in core-js-compat and core-js-builder
  • Engines in compat data and results of targets parsing sorted alphabetically
  • Fixed features/instance/match-all entry compat data
  • Fixed Array.prototype[@@unscopables] descriptor (was writable)
  • Added Samsung Internet 11 compat data mapping
• 3.5.0 - 2019-12-12
  
  • Added object iteratoration stage 1 proposal:
    • Object.iterateKeys
    • Object.iterateValues
    • Object.iterateEntries
• 3.4.8 - 2019-12-08
  
  • Added one more workaround for broken in previous versions inspectSource helper, #719
  • Added Opera Mobile compat data
  • Updated Samsung Internet, iOS, old Node and Android compat data mapping
  • es.string.match-all marked as completely supported in FF73
  • Generate core-js-compat/modules since often we need just the list of core-js modules
• 3.4.7 - 2019-12-02
  
  • Fixed an NPM publishing issue
• 3.4.6 - 2019-12-02
  
  • Improved iOS compat data - added missed mapping iOS 12.2 -> Safari 12.1, added bug fixes from patch releases
  • Added Safari 13.1 compat data
  • Added missed in core-js-compat helpers ie_mob normalization
  • Normalize the result of getModulesListForTargetVersion core-js-compat helper
  • Improved CI detection in the postinstall script, #707
• 3.4.5 - 2019-11-27
  
  • Detect incorrect order of operations in Object.assign, MS Edge bug
  • Detect usage of ToLength in Array#{ filter, map }, FF48-49 and MS Edge 14- issues
  • Detect incorrect MS Edge 17-18 Reflect.set which allows setting the property to object with non-writable property on the prototype
  • Fixed inspectSource helper with multiple core-js copies and some related features like some edge cases of Promise feature detection
• 3.4.4 - 2019-11-27
  
  • Added feature detection for Safari non-generic Promise#finally bug (critical for core-js-pure)
  • Fixed missed esnext.string.code-points in core-js/features/string entry point
  • Updated Iterator proposal feature detection for the case of non-standard Iterator in FF44-
• 3.4.3 - 2019-11-26
  
  • Fixed missed es.json.stringify and some modules from iteration helpers proposal in some entry points
  • Added a workaround of String#{ endsWith, startsWith } MDN polyfills bugs, #702
  • Fixed .size property descriptor of Map / Set in the pure version
  • Refactoring, some internal improvements
• 3.4.2 - 2019-11-21
• 3.4.1 - 2019-11-12
• 3.4.0 - 2019-11-06
• 3.3.6 - 2019-10-31
• 3.3.5 - 2019-10-28
• 3.3.4 - 2019-10-25
• 3.3.3 - 2019-10-21
• 3.3.2 - 2019-10-14
• 3.3.1 - 2019-10-13

from core-js GitHub release notes

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