Bump core-js from 3.14.0 to 3.17.3 in /frontend

[dependabot]

Bumps core-js from 3.14.0 to 3.17.3.

Changelog

Sourced from core-js's changelog.

3.17.3 - 2021.09.09

• Fixed some possible problems related to possible extension of %IteratorPrototype% and %AsyncIteratorPrototype% in the future
• Fixed DOMTokenList.prototype.{ forEach, @@iterator, keys, values, entries } in old WebKit versions where element.classList is not an instance of global DOMTokenList
• Added NodeJS 16.9 compat data mapping
• Added Samsung Internet 16.0 compat data mapping

3.17.2 - 2021.09.03

• Fixed missed cases of ES3 reserved words usage, related to #980
• Fixed dependencies in one missed entry point
• Some other minor fixes and optimizations

3.17.1 - 2021.09.02

• Fixed missed modules-by-versions data

3.17.0 - 2021.09.02

• Accessible Object.prototype.hasOwnProperty (Object.hasOwn) proposal moved to the stable ES, per August 2021 TC39 meeting
• Relative indexing method (.at) proposal moved to the stable ES, per August 2021 TC39 meeting
• Exposed by default the stable version of String.prototype.at. It was not exposed because of the conflict with the alternative obsolete proposal (that will be completely removed in the next major version). For the backward compatibility, in the case of loading this proposal, it will be overwritten.
• Some more iteration closing fixes
• Fixed an ES3 reserved words usage, #980

3.16.4 - 2021.08.29

• AsyncFromSyncIterator made stricter, related mainly to AsyncIterator.from and AsyncIterator.prototype.flatMap
• Handling of optional .next arguments in (Async)Iterator methods is aligned with the current spec draft (mainly - ignoring the first passed to .next argument in built-in generators)
• Behavior of .next, .return, .throw methods on AsyncIterator helpers proxy iterators aligned with the current spec draft (built-in async generators) (mainly - some early errors moved to returned promises)
• Fixed some cases of safe iteration closing
• Fixed dependencies of some entry points

3.16.3 - 2021.08.25

• Fixed CreateAsyncFromSyncIterator semantic in AsyncIterator.from, related to #765
• Added a workaround of a specific case of broken Object.prototype, #973

3.16.2 - 2021.08.17

• Added a workaround of a Closure Compiler unsafe optimization, #972
• One more fix crashing of Object.create(null) on WSH, #970
• Added Deno 1.14 compat data mapping

3.16.1 - 2021.08.09

• Fixed microtask implementation on iOS Pebble, #967
• Fixed some entry points
• Improved old Safari compat data

3.16.0 - 2021.07.30

• Array find from last proposal moved to the stage 3, July 2021 TC39 meeting
• Array filtering stage 1 proposal:
  • Array.prototype.filterReject replaces Array.prototype.filterOut
  • %TypedArray%.prototype.filterReject replaces %TypedArray%.prototype.filterOut
• Added Array grouping stage 1 proposal:
  • Array.prototype.groupBy
  • %TypedArray%.prototype.groupBy

... (truncated)

Commits

• c65f52b 3.17.3
• 6778115 avoid relying on path.(Async)Iterator in some cases
• af1b7e4 update dependencies
• afe941e fix DOMTokenList.prototype.{ forEach, @@iterator, keys, values, entries } i...
• 8776099 one more fix related to extension of %AsyncIteratorPrototype%
• 19f7da9 fix some possible problems related to possible extension of `%IteratorPrototy...
• a343b6a fix a typo
• aac9dce add NodeJS 16.9 compat data mapping
• 19d5d1f update dependencies
• 8b98cfd add Samsung Internet 16.0 compat data mapping
• Additional commits viewable in compare view

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[dependabot]

Superseded by #455.