Update dependency core-js to v3.8.0 (#3493)

* Update dependency core-js to v3.8.0

* Update package-lock.json

Co-authored-by: Renovate Bot <[email protected]>
Co-authored-by: Albert Juhé Lluveras <[email protected]>

Author: 3 people

package-lock.json

@@ -111,7 +111,7 @@
 		"babel-plugin-transform-runtime": "6.23.0",
 		"chalk": "4.1.0",
 		"commander": "6.2.0",
-		"core-js": "3.7.0",
+		"core-js": "3.8.0",
 		"create-file-webpack": "1.0.2",
 		"cross-env": "6.0.3",
 		"cssnano": "4.1.10",