Merge pull request #865 from sohosai/renovate/babel-monorepo

Update dependency @babel/core to v7.15.5

Author: mkobayashime

package.json

@@ -15,7 +15,7 @@
     "validator": "13.6.0"
   },
   "devDependencies": {
-    "@babel/core": "7.15.0",
+    "@babel/core": "7.15.5",
     "@material-ui/core": "4.12.3",
     "@next/bundle-analyzer": "11.1.2",
     "@storybook/addon-actions": "6.3.8",