[Snyk] Upgrade core-js from 3.19.1 to 3.19.2 (auth0#851)

* fix: upgrade core-js from 3.19.1 to 3.19.2

Snyk has created this PR to upgrade core-js from 3.19.1 to 3.19.2.

See this package in npm:
https://www.npmjs.com/package/core-js

See this project in Snyk:
https://app.snyk.io/org/auth0-sdks/project/fcb33a03-9826-4c4d-af10-8e87931d75de?utm_source=github&utm_medium=referral&page=upgrade-pr

* Update docker image

Co-authored-by: Steve Hobbs <[email protected]>

Author: snyk-bot

.circleci/config.yml

@@ -4,7 +4,7 @@ orbs:
 parameters:
   docker_image:
     type: string
-    default: cypress/browsers:node14.16.0-chrome90-ff88
+    default: cypress/browsers:node14.17.0-chrome91-ff89
 jobs:
   build:
     docker:

package-lock.json

@@ -81,7 +81,7 @@
   "dependencies": {
     "abortcontroller-polyfill": "^1.7.3",
     "browser-tabs-lock": "^1.2.15",
-    "core-js": "^3.19.0",
+    "core-js": "^3.19.2",
     "es-cookie": "^1.3.2",
     "fast-text-encoding": "^1.0.3",
     "promise-polyfill": "^8.2.1",