Bump eslint from 4.18.2 to 4.19.1

Bumps [eslint](https://github.com/eslint/eslint) from 4.18.2 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@v4.18.2...v4.19.1)

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

package.json

@@ -53,7 +53,7 @@
   },
   "devDependencies": {
     "babel-polyfill": "^6.26.0",
-    "eslint": "^4.18.2",
+    "eslint": "^4.19.1",
     "eslint-config-standard": "^11.0.0",
     "eslint-plugin-import": "^2.9.0",
     "eslint-plugin-node": "^6.0.1",