Merge pull request #298 from inada-s/dependabot/npm_and_yarn/website/gh-pages-5.0.0

Bump gh-pages from 3.2.3 to 5.0.0 in /website

Author: inada-s

website/package-lock.json

@@ -25,7 +25,7 @@
     "@types/react": "^17.0.1",
     "@types/react-dom": "^17.0.0",
     "@types/react-router-dom": "^5.1.7",
-    "gh-pages": "^3.1.0"
+    "gh-pages": "^5.0.0"
   },
   "scripts": {
     "start": "react-scripts start",