Update dependency core-js to v3.4.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
core-js	dependencies	patch	3.4.0 -> 3.4.1

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Release Notes

zloirock/core-js

v3.4.1

Compare Source

• Throw when (Async)Iterator#flatMap mapper returns a non-iterable, per tc39/proposal-iterator-helpers/55 and tc39/proposal-iterator-helpers/59
• Removed own AggregateError#toString, per tc39/proposal-promise-any/49
• Global core-js Promise polyfill passes feature detection in the pure versions
• Fixed indexes in String#replaceAll callbacks
• String#replaceAll marked as supported by FF72

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[coveralls]

Pull Request Test Coverage Report for Build 2390

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 2388:	0.0%
Covered Lines:	97
Relevant Lines:	97

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💛 - Coveralls