Update dependency core-js to v3.10.2

Author: renovate-bot

package-lock.json

@@ -86,7 +86,7 @@
     "chai-enzyme": "1.0.0-beta.1",
     "cheerio": "1.0.0-rc.3",
     "compression-webpack-plugin": "7.1.2",
-    "core-js": "3.8.2",
+    "core-js": "3.10.2",
     "css-hot-loader": "1.4.4",
     "css-loader": "2.1.1",
     "date-fns": "2.15.0",