build(deps): bump core-js from 3.42.0 to 3.43.0

Bumps [core-js](https://github.com/zloirock/core-js/tree/HEAD/packages/core-js) from 3.42.0 to 3.43.0.
- [Release notes](https://github.com/zloirock/core-js/releases)
- [Changelog](https://github.com/zloirock/core-js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/zloirock/core-js/commits/v3.43.0/packages/core-js)

---
updated-dependencies:
- dependency-name: core-js
  dependency-version: 3.43.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -75,7 +75,7 @@
     "cancelable-promise": "^4.3.1",
     "clipboard": "^2.0.11",
     "color": "^4.2.3",
-    "core-js": "^3.42.0",
+    "core-js": "^3.43.0",
     "davclient.js": "github:owncloud/davclient.js.git#0.2.2",
     "debounce": "^2.1.0",
     "dompurify": "^3.2.6",