chore(deps): update dependency core-js to v3.16.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
core-js	3.16.0 -> 3.16.1

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Release Notes

zloirock/core-js

### [`v3.16.1`](https://togithub.com/zloirock/core-js/blob/master/CHANGELOG.md#​3161---20210809) [Compare Source](https://togithub.com/zloirock/core-js/compare/v3.16.0...v3.16.1) - Fixed microtask implementation on iOS Pebble, [#​967](https://togithub.com/zloirock/core-js/issues/967) - Fixed some entry points - Improved old Safari compat data

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