Bump core-js from 2.6.9 to 3.6.4

[dependabot-preview]

Bumps core-js from 2.6.9 to 3.6.4.

Changelog

Sourced from core-js's changelog.

3.6.4 - 2020.01.14

• Prevented a possible almost infinite loop in non-standard implementations of some backward iteration array methods

3.6.3 - 2020.01.11

• Fixed replacement of substitutes of undefined capture groups in .replace in Safari 13.0-, #471, #745, thanks @mattclough1
• Improved compat data for old engines

3.6.2 - 2020.01.07

• Fixed early implementations of Array#{ every, forEach, includes, indexOf, lastIndexOf, reduce, reduceRight, slice, some, splice } for the usage of ToLength
• Added RegExp#exec dependency to methods which depends on the correctness of logic of this method (3.6.0-3.6.1 issue), #741
• Refactored some internals

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 - 2019.12.19

• 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 - 2019.12.09

• 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

2.6.11 [LEGACY] - 2019.12.09

• Returned usage of node -e in the postinstall scripts for better cross-platform compatibility, #582
• Improved CI detection in the postinstall script, #707

3.4.7 - 2019.12.03

• Fixed an NPM publishing issue

3.4.6 - 2019.12.03

• 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

... (truncated)

Commits

• 4546ffe 3.6.4
• 9e13025 prevent possible almost infinite loop in non-standard implementations of some...
• 04218dc update dependencies
• 3ff7155 update dependencies
• 1e63de1 3.6.3
• 6f80aac some missed actions for #745
• 254a227 fixes #471 (#745)
• b9ffdfe some stylistic changes in the documentation
• 113ecbb add a warning about specifying minor core-js version
• 241537f fix esnext.iterator.constructor compat test (some old FF versions with non-...
• Additional commits viewable in compare view

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