Update dependency core-js to ^3.8.3

package.json

@@ -70,7 +70,7 @@
     "codesandbox-api": "0.0.23",
     "compression-webpack-plugin": "^3.0.1",
     "copy-webpack-plugin": "^5.0.5",
-    "core-js": "^3.6.4",
+    "core-js": "^3.8.3",
     "cron-validator": "^1.1.1",
     "cropper": "^2.3.0",
     "css-loader": "^2.1.1",

yarn.lock

@@ -3318,10 +3318,10 @@ core-js-pure@^3.0.0:
   resolved "https://registry.yarnpkg.com/core-js-pure/-/core-js-pure-3.6.5.tgz#c79e75f5e38dbc85a662d91eea52b8256d53b813"
   integrity sha512-lacdXOimsiD0QyNf9BC/mxivNJ/ybBGJXQFKzRekp1WTHoVUWsUHEn+2T8GJAzzIhyOuXA+gOxCVN3l+5PLPUA==
 
-core-js@^3.1.3, core-js@^3.6.4:
-  version "3.6.4"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.6.4.tgz#440a83536b458114b9cb2ac1580ba377dc470647"
-  integrity sha512-4paDGScNgZP2IXXilaffL9X7968RuvwlkK3xWtZRVqgd8SYNiVKRJvkFd1aqqEuPfN7E68ZHEp9hDj6lHj4Hyw==
+core-js@^3.1.3, core-js@^3.8.3:
+  version "3.8.3"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.8.3.tgz#c21906e1f14f3689f93abcc6e26883550dd92dd0"
+  integrity sha512-KPYXeVZYemC2TkNEkX/01I+7yd+nX3KddKwZ1Ww7SKWdI2wQprSgLmrTddT8nw92AjEklTsPBoSdQBhbI1bQ6Q==
 
 core-js@~2.3.0:
   version "2.3.0"