Update babel monorepo to v7.11.0

Author: renovate-bot

package.json

@@ -12,8 +12,8 @@
   },
   "description": "TodoMVC for the RealWorld™",
   "devDependencies": {
-    "@babel/core": "7.6.2",
-    "@babel/preset-env": "7.6.2",
+    "@babel/core": "7.11.0",
+    "@babel/preset-env": "7.11.0",
     "@vue/cli-plugin-babel": "3.12.0",
     "@vue/cli-plugin-eslint": "3.11.0",
     "@vue/cli-plugin-pwa": "3.11.0",