Bump core-js from 3.38.1 to 3.39.0

Bumps [core-js](https://github.com/zloirock/core-js/tree/HEAD/packages/core-js) from 3.38.1 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:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -23,7 +23,7 @@
     "browser-sync-client": "^3.0.3",
     "browserify": "^17.0.1",
     "chai": "^5.1.2",
-    "core-js": "^3.38.1",
+    "core-js": "^3.39.0",
     "eslint": "^8.57.0",
     "fancy-log": "^2.0.0",
     "gulp": "^5.0.0",