fix(deps): bump core-js from 3.16.0 to 3.20.1 in /web_client

[dependabot[bot]]

Bumps core-js from 3.16.0 to 3.20.1.

Changelog

Sourced from core-js's changelog.

3.20.1 - 2021.12.23

• 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

3.20.0 - 2021.12.16

• 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

3.19.3 - 2021.12.06

• Fixed internal slots check in methods of some built-in types, #1017
• Fixed URLSearchParams iterator .next that should be enumerable by the spec
• Refactored Subscription
• Added NodeJS 17.2 compat data mapping

... (truncated)

Commits

• 8f22e98 3.20.1
• 5d78d50 fix possible memory leaking in specific promise chains
• 9ffb395 add a clarification
• e287627 fix the order of calling reactions of fulfilled / rejected promises in `Promi...
• 09db127 add promises-es6-tests case
• 24c6889 update dependencies
• d893abd leaving DOMException without Object#toString dependency should be safe
• 065e3d0 fix some more dependencies of entries
• c0461bc fix some missed dependencies of entries
• 0c4d69d Spelling (#1023)
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

[dependabot[bot]]

Superseded by #394.