chore(deps-dev): bump eslint from 4.1.1 to 4.19.1 (gitalk#305)

Bumps [eslint](https://github.com/eslint/eslint) from 4.1.1 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@v4.1.1...v4.19.1) Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -32,7 +32,7 @@
  "cross-env": "5.0.1",
  "css-loader": "0.28.4",
  "enzyme": "2.9.1",
- "eslint": "4.1.1",
+ "eslint": "4.19.1",
  "eslint-config-o2team": "0.1.6",
  "eslint-plugin-react": "7.1.0",
  "extract-text-webpack-plugin": "2.1.2",