Bump eslint from 3.19.0 to 4.18.2

Bumps [eslint](https://github.com/eslint/eslint) from 3.19.0 to 4.18.2.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v3.19.0...v4.18.2)

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

package.json

@@ -45,7 +45,7 @@
     "babel-preset-react": "^6.23.0",
     "babel-preset-stage-0": "^6.22.0",
     "electron-packager": "^8.6.0",
-    "eslint": "^3.19.0",
+    "eslint": "^4.18.2",
     "eslint-config-standard": "^7.1.0",
     "eslint-config-standard-react": "^4.3.0",
     "eslint-plugin-promise": "^3.5.0",