Bump @babel/core from 7.4.4 to 7.4.5 in /packages/website

Bumps [@babel/core](https://github.com/babel/babel) from 7.4.4 to 7.4.5.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](babel/babel@v7.4.4...v7.4.5)

Signed-off-by: dependabot[bot] <support@dependabot.com>

packages/website/package.json

@@ -27,7 +27,7 @@
     "react-scrolllock": "^4.0.1"
   },
   "devDependencies": {
-    "@babel/core": "^7.4.4",
+    "@babel/core": "^7.4.5",
     "@babel/plugin-proposal-class-properties": "^7.4.4",
     "@babel/plugin-proposal-object-rest-spread": "^7.4.4",
     "@babel/preset-env": "^7.4.5",