Bump core-js from 3.20.3 to 3.21.0

Bumps [core-js](https://github.com/zloirock/core-js) from 3.20.3 to 3.21.0.
- [Release notes](https://github.com/zloirock/core-js/releases)
- [Changelog](https://github.com/zloirock/core-js/blob/master/CHANGELOG.md)
- [Commits](zloirock/core-js@v3.20.3...v3.21.0)

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

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

Author: dependabot[bot]

package-lock.json

@@ -38,7 +38,7 @@
     "algoliasearch": "^4.12.0",
     "apollo-link": "^1.2.14",
     "apollo-link-http": "^1.5.17",
-    "core-js": "^3.20.3",
+    "core-js": "^3.21.0",
     "graphql-tag": "^2.12.6",
     "nuxt": "^2.15.8", 
     "tailwindcss": "3.0.17",