Update dependency core-js to v3.20.1

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
core-js	3.20.0 -> 3.20.1

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Release Notes

zloirock/core-js

v3.20.1

Compare Source

• Fixed the order of calling reactions of already fulfilled / rejected promises in Promise.prototype.then, #​1026
• Fixed possible memory leaking in specific promise chains
• Fixed some missed dependencies of entries
• Added Deno 1.18 compat data mapping

v3.20.0

Compare Source

• Added structuredClone method from the HTML spec, see MDN
  • Includes all cases of cloning and transferring of required ECMAScript and platform types that can be polyfilled, for the details see the caveats
  • Uses native structured cloning algorithm implementations where it's possible
  • Includes the new semantic of errors cloning from html/5749
• Added DOMException polyfill, the Web IDL spec, see MDN
  • Includes DOMException and its attributes polyfills with fixes of many different engines bugs
  • Includes DOMException#stack property polyfill in engines that should have it
  • Reuses native DOMException implementations where it's possible (for example, in old NodeJS where it's not exposed as global)
• Added support of cause on all Error types
• Added Error.prototype.toString method polyfill with fixes of many different bugs of JS engines
• Added Number.prototype.toExponential method polyfill with fixes of many different bugs of JS engines
• Array grouping proposal:
  • Moved to the stage 3
  • Added Array.prototype.groupByToMap method
  • Removed @@​species support
• Added change Array by copy stage 2 proposal:
  • Array.prototype.toReversed
  • Array.prototype.toSorted
  • Array.prototype.toSpliced
  • Array.prototype.with
  • %TypedArray%.prototype.toReversed
  • %TypedArray%.prototype.toSorted
  • %TypedArray%.prototype.toSpliced
  • %TypedArray%.prototype.with
• Added Iterator.prototype.toAsync method from the iterator helpers stage 2 proposal
• Array.fromAsync proposal moved to stage 2
• Added String.cooked stage 1 proposal:
• Added Function.prototype.unThis stage 0 proposal
• Added Function.{ isCallable, isConstructor } stage 0 proposal:
  • Function.isCallable
  • Function.isConstructor
• Added a workaround of most cases breakage modern String#at after loading obsolete String#at proposal module, #​1019
• Fixed Array.prototype.{ values, @​@​iterator }.name in V8 ~ Chrome 45-
• Fixed validation of typed arrays in typed arrays iteration methods in V8 ~ Chrome 50-
• Extension of the API, #​1012
  • Added a new core-js/actual/** namespace
  • Added entry points for each finished post-ES6 proposal

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