Update package.json

older versions of babel brings lodash vulnerabilities

Author: RamyaPayyavula

package.json

@@ -48,7 +48,7 @@
   },
   "devDependencies": {
     "@babel/cli": "^7.8.4",
-    "@babel/core": "^7.7.2",
+    "@babel/core": "^7.11.2",
     "@babel/preset-env": "^7.7.1",
     "@babel/preset-react": "^7.7.0",
     "babel-jest": "^24.9.0",