Bump core-js from 3.16.3 to 3.16.4

Bumps [core-js](https://github.com/zloirock/core-js) from 3.16.3 to 3.16.4.
- [Release notes](https://github.com/zloirock/core-js/releases)
- [Changelog](https://github.com/zloirock/core-js/blob/master/CHANGELOG.md)
- [Commits](zloirock/core-js@v3.16.3...v3.16.4)

---
updated-dependencies:
- dependency-name: core-js
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Signed-off-by: nextcloud-command <[email protected]>