Update dependency core-js to v3.18.3

Author: renovate[bot]

package.json

@@ -32,7 +32,7 @@
     "@types/react": "16.8.8",
     "@types/webpack-env": "1.13.9",
     "babel-loader": "8.0.6",
-    "core-js": "3.6.4",
+    "core-js": "3.18.3",
     "react": "17.0.2",
     "typescript": "4.2.3"
   },