build(deps): bump core-js from 2.6.12 to 3.39.0

Bumps [core-js](https://github.com/zloirock/core-js/tree/HEAD/packages/core-js) from 2.6.12 to 3.39.0.
- [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/v3.39.0/packages/core-js)

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

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

Author: dependabot[bot]

package-lock.json

@@ -29,7 +29,7 @@
     "cheerio": "^1.0.0-rc.12",
     "chokidar": "^3.5.3",
     "commander": "^8.3.0",
-    "core-js": "2.6.12",
+    "core-js": "3.39.0",
     "dayjs": "^1.11.13",
     "debug": "^4.3.4",
     "electron": "^15.5.5",