Bump core-js from 2.6.12 to 3.8.2

[dependabot-preview]

Bumps core-js from 2.6.12 to 3.8.2.

Changelog

Sourced from core-js's changelog.

3.8.2 - 2021.01.03

• Fixed handling of special replacements patterns in String#replaceAll, #900
• Fixed iterators dependencies of Promise.any and Promise.allSettled entries
• Fixed microtask implementation on WebOS, #898, #901

3.8.1 - 2020.12.06

• Fixed work of new %TypedArray% methods on BigInt arrays
• Added ESNext methods to ES3 workaround for Number constructor wrapper

3.8.0 - 2020.11.26

• Added relative indexing method stage 3 proposal
  • Array#at
  • %TypedArray%#at
• Added Number.range stage 1 proposal
  • Number.range
  • BigInt.range
• Added array filtering stage 1 proposal
  • Array#filterOut
  • %TypedArray%#filterOut
• Added array deduplication stage 1 proposal
  • Array#uniqueBy
• Added code points / code units explicit feature detection in String#at for preventing breakage code which use obsolete String#at proposal polyfill
• Added the missed (es|stable)/instance/replace-all entries
• Updated compat data mapping for Opera - from Opera 69, the difference with Chrome versions increased to 14
• Compat data mapping for modern Android WebView to Chrome moved from targets parser directly to compat data
• Depracate core-js-builder blacklist option in favor of exclude

Commits

• 207ce6b 3.8.2
• c763d77 add a version to the changelog in the update-version script
• d1d04fd update the changelog
• 35ef1de Merge pull request #902 from bluquar/patch-1
• 5bef8ab Merge pull request #901 from llooz/hotfix/microtrask-webos-webkit
• 49f13bf update links to the spec
• 068817c update dependencies
• 18592d1 fix handling of special replacements patterns in String#replaceAll, close #900
• 3a4e1cc comment
• 9289dd3 Rephrase confusing comment in descriptors.js
• Additional commits viewable in compare view

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Superseded by #122.