Bump core-js from 3.41.0 to 3.42.0

Bumps [core-js](https://github.com/zloirock/core-js/tree/HEAD/packages/core-js) from 3.41.0 to 3.42.0.
- [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/v3.42.0/packages/core-js)

---
updated-dependencies:
- dependency-name: core-js
  dependency-version: 3.42.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -60,7 +60,7 @@
     "babel-loader": "^10.0.0",
     "clean-webpack-plugin": "^4.0.0",
     "copy-webpack-plugin": "^13.0.0",
-    "core-js": "^3.41.0",
+    "core-js": "^3.42.0",
     "cross-env": "^7.0.3",
     "css-loader": "^7.1.2",
     "electron": "^34.2.0",