Bump core-js from 3.15.2 to 3.16.3

Bumps [core-js](https://github.com/zloirock/core-js) from 3.15.2 to 3.16.3.
- [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/compare/v3.15.2...v3.16.3)

---
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

@@ -251,7 +251,7 @@
     "chai": "^4.3.4",
     "chalk": "^4.1.2",
     "copy-webpack-plugin": "^9.0.1",
-    "core-js": "^3.15.2",
+    "core-js": "^3.16.3",
     "cross-env": "^7.0.3",
     "css-loader": "^6.2.0",
     "del": "^6.0.0",

yarn.lock

@@ -3817,10 +3817,10 @@ core-js@^2.4.0, core-js@^2.5.0:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.11.tgz#38831469f9922bded8ee21c9dc46985e0399308c"
   integrity sha512-5wjnpaT/3dV+XB4borEsnAYQchn00XSgTAWKDkEqv+K8KevjbzmofK6hfJ9TZIlpj2N0xQpazy7PiRQiWHqzWg==
 
-core-js@^3.15.2, core-js@^3.6.5:
-  version "3.15.2"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.15.2.tgz#740660d2ff55ef34ce664d7e2455119c5bdd3d61"
-  integrity sha512-tKs41J7NJVuaya8DxIOCnl8QuPHx5/ZVbFo1oKgVl1qHFBBrDctzQGtuLjPpRdNTWmKPH6oEvgN/MUID+l485Q==
+core-js@^3.16.3, core-js@^3.6.5:
+  version "3.16.3"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.16.3.tgz#1f2d43c51a9ed014cc6c83440af14697ae4b75f2"
+  integrity sha512-lM3GftxzHNtPNUJg0v4pC2RC6puwMd6VZA7vXUczi+SKmCWSf4JwO89VJGMqbzmB7jlK7B5hr3S64PqwFL49cA==
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"