ci: update dependency core-js to v3.16.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
core-js	3.16.1 -> 3.16.2

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Release Notes

zloirock/core-js

### [`v3.16.2`](https://togithub.com/zloirock/core-js/blob/master/CHANGELOG.md#​3162---20210817) [Compare Source](https://togithub.com/zloirock/core-js/compare/v3.16.1...v3.16.2) - Added a workaround of a Closure Compiler unsafe optimization, [#​972](https://togithub.com/zloirock/core-js/issues/972) - One more fix crashing of `Object.create(null)` on WSH, [#​970](https://togithub.com/zloirock/core-js/issues/970) - Added Deno 1.14 compat data mapping

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