chore(deps): update devdependency core-js to v3.8.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
core-js	3.8.0 -> 3.8.1

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Release Notes

zloirock/core-js

### [`v3.8.1`](https://togithub.com/zloirock/core-js/blob/master/CHANGELOG.md#​381---20201206) [Compare Source](https://togithub.com/zloirock/core-js/compare/v3.8.0...v3.8.1) - Fixed work of new `%TypedArray%` methods on `BigInt` arrays - Added ESNext methods to ES3 workaround for `Number` constructor wrapper

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[github-actions[bot]]

:tada: This PR is included in version 1.1.3 :tada:

The release is available on:

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