chore(deps): update dependency core-js to v3.21.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
core-js	3.20.3 -> 3.21.0

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Release Notes

zloirock/core-js

### [`v3.21.0`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#​3210---20220202) [Compare Source](https://togithub.com/zloirock/core-js/compare/v3.20.3...v3.21.0) - Added [Base64 utility methods](https://developer.mozilla.org/en-US/docs/Glossary/Base64): - `atob` - `btoa` - Added the proper validation of arguments to some methods from web standards - Forced replacement of all features from early-stage proposals for avoiding possible web compatibility issues in the future - Added Rhino 1.7.14 compat data - Added Deno 1.19 compat data mapping - Added Opera Android 66 and 67 compat data mapping - Added iOS Safari 15.3 and 15.4 compat data mapping

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