upgrade core-js

Author: MuluhGodson

package-lock.json

@@ -33,7 +33,7 @@
     "@sentry/vue": "^5.29.2",
     "bulma": "^0.9.3",
     "clipboard": "^2.0.6",
-    "core-js": "^3.6.5",
+    "core-js": "^3.20.3",
     "sass": "^1.45.1",
     "sass-loader": "^8.0.2",
     "vue": "^2.6.14",