chore(deps): update dependency core-js to v3.6.3

Author: renovate-bot

package-lock.json

@@ -54,7 +54,7 @@
     "@ngx-translate/http-loader": "4.0.0",
     "@gorniv/ngx-universal": "2.0.1",
     "cookie-parser": "1.4.4",
-    "core-js": "3.6.2",
+    "core-js": "3.6.3",
     "node-cache": "5.1.0",
     "reflect-metadata": "0.1.13",
     "rxjs": "6.5.4",