Bump core-js from 3.15.0 to 3.15.1

Bumps [core-js](https://github.com/zloirock/core-js/tree/HEAD/packages/core-js) from 3.15.0 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:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -4,7 +4,7 @@
   "dependencies": {
     "@rails/webpacker": "^5.4.0",
     "@stimulus/polyfills": "^2.0.0",
-    "core-js": "^3.15.0",
+    "core-js": "^3.15.1",
     "custom-event-polyfill": "^1.0.7",
     "govuk-frontend": "^3.13.0",
     "js-cookie": "^2.2.1",

yarn.lock

@@ -2172,10 +2172,10 @@ core-js@^2.4.0:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.12.tgz#d9333dfa7b065e347cc5682219d6f690859cc2ec"
   integrity sha512-Kb2wC0fvsWfQrgk8HU5lW6U/Lcs8+9aaYcy4ZFc6DDlo4nZ7n70dEgE5rtR0oG6ufKDUnrwfWL1mXR5ljDatrQ==
 
-core-js@^3.12.1, core-js@^3.15.0, core-js@^3.4.0:
-  version "3.15.0"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.15.0.tgz#db9554ebce0b6fd90dc9b1f2465c841d2d055044"
-  integrity sha512-GUbtPllXMYRzIgHNZ4dTYTcUemls2cni83Q4Q/TrFONHfhcg9oEGOtaGHfb0cpzec60P96UKPvMkjX1jET8rUw==
+core-js@^3.12.1, core-js@^3.15.1, core-js@^3.4.0:
+  version "3.15.1"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.15.1.tgz#6c08ab88abdf56545045ccf5fd81f47f407e7f1a"
+  integrity sha512-h8VbZYnc9pDzueiS2610IULDkpFFPunHwIpl8yRwFahAEEdSpHlTy3h3z3rKq5h11CaUdBEeRViu9AYvbxiMeg==
 
 core-util-is@~1.0.0:
   version "1.0.2"