Bump core-js from 3.8.3 to 3.9.0

[dependabot-preview[bot]]

Bumps core-js from 3.8.3 to 3.9.0.

Changelog

Sourced from core-js's changelog.

3.9.0 - 2021.02.19

• Added Array find from last stage 1 proposal
  • Array#findLast
  • Array#findLastIndex
  • %TypedArray%#findLast
  • %TypedArray%#findLastIndex
• Added %TypedArray%#uniqueBy method for array deduplication stage 1 proposal
  • %TypedArray%#uniqueBy
• Dropped ToLength detection from array methods feature detection which could cause hanging FF11-21 and some versions of old WebKit, #764
• Minified bundle from core-js-bundle uses terser instead of uglify-js

Commits

• 37970c0 3.9.0
• 1f4e254 update dependencies
• 62a3711 add some caps for the pure version
• f2f4f4b adapt tests to specific of Chrome 67 BigInt constructor
• 1ae4619 add a workaround for testing DOM collections iterators with non-standard beha...
• 8a71f7a drop some more ToLength tests
• de922f3 fix previous commit
• 1d4b84f drop { Map, WeakMap }#{ upsert, updateOrInsert }.name tests
• 3ec7426 fix incorrect replacement
• 66770c8 update dependencies
• Additional commits viewable in compare view

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[dependabot-preview[bot]]

Looks like core-js is up-to-date now, so this is no longer needed.