Bump babel-eslint from 8.2.3 to 9.0.0

Bumps [babel-eslint](https://github.com/babel/babel-eslint) from 8.2.3 to 9.0.0.
- [Release notes](https://github.com/babel/babel-eslint/releases)
- [Commits](babel/babel-eslint@v8.2.3...v9.0.0)

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

package.json

@@ -19,7 +19,7 @@
   },
   "devDependencies": {
     "babel-cli": "^6.24.1",
-    "babel-eslint": "^8.0.1",
+    "babel-eslint": "^9.0.0",
     "babel-preset-env": "^1.6.0",
     "babel-preset-flow": "^6.23.0",
     "babel-preset-minify": "^0.2.0",