build(deps): bump core-js from 3.19.3 to 3.20.1 in /website/client

Bumps [core-js](https://github.com/zloirock/core-js) from 3.19.3 to 3.20.1.
- [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/compare/v3.19.3...v3.20.1)

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

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

website/client/package-lock.json

@@ -16247,9 +16247,9 @@
       }
     },
     "core-js": {
-      "version": "3.19.3",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.19.3.tgz",
-      "integrity": "sha512-LeLBMgEGSsG7giquSzvgBrTS7V5UL6ks3eQlUSbN8dJStlLFiRzUm5iqsRyzUB8carhfKjkJ2vzKqE6z1Vga9g=="
+      "version": "3.20.1",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.20.1.tgz",
+      "integrity": "sha512-btdpStYFQScnNVQ5slVcr858KP0YWYjV16eGJQw8Gg7CWtu/2qNvIM3qVRIR3n1pK2R9NNOrTevbvAYxajwEjg=="
     },
     "core-js-compat": {
       "version": "3.11.0",

website/client/package.json

@@ -32,7 +32,7 @@
     "bootstrap": "^4.6.0",
     "bootstrap-vue": "^2.21.2",
     "chai": "^4.3.4",
-    "core-js": "^3.19.3",
+    "core-js": "^3.20.1",
     "eslint": "^6.8.0",
     "eslint-config-habitrpg": "^6.2.0",
     "eslint-plugin-mocha": "^5.3.0",