Bump eslint from 4.11.0 to 4.19.1

Bumps [eslint](https://github.com/eslint/eslint) from 4.11.0 to 4.19.1.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v4.11.0...v4.19.1)

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

package.json

@@ -36,7 +36,7 @@
   },
   "devDependencies": {
     "babel-eslint": "^8.2.1",
-    "eslint": "^4.11.0",
+    "eslint": "^4.19.1",
     "eslint-config-prettier": "2.8.0",
     "eslint-config-react-app": "^4.0.1",
     "eslint-plugin-import": "2.8.0",