Bump core-js from 3.14.0 to 3.15.1

Bumps [core-js](https://github.com/zloirock/core-js/tree/HEAD/packages/core-js) from 3.14.0 to 3.15.1.
- [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/v3.15.1/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

@@ -16,7 +16,7 @@
     "braces": "^3.0.2",
     "browser-sync": "^2.26.14",
     "child_process": "^1.0.2",
-    "core-js": "^3.14.0",
+    "core-js": "^3.15.1",
     "del": "^6.0.0",
     "fancy-log": "^1.3.3",
     "fstream": "^1.0.12",

yarn.lock

@@ -2086,10 +2086,10 @@ core-js-compat@^3.14.0, core-js-compat@^3.9.1:
     browserslist "^4.16.6"
     semver "7.0.0"
 
-core-js@^3.14.0:
-  version "3.14.0"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.14.0.tgz#62322b98c71cc2018b027971a69419e2425c2a6c"
-  integrity sha512-3s+ed8er9ahK+zJpp9ZtuVcDoFzHNiZsPbNAAE4KXgrRHbjSqqNN6xGSXq6bq7TZIbKj4NLrLb6bJ5i+vSVjHA==
+core-js@^3.15.1:
+  version "3.15.1"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.15.1.tgz#6c08ab88abdf56545045ccf5fd81f47f407e7f1a"
+  integrity sha512-h8VbZYnc9pDzueiS2610IULDkpFFPunHwIpl8yRwFahAEEdSpHlTy3h3z3rKq5h11CaUdBEeRViu9AYvbxiMeg==
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"