Bump eslint from 4.16.0 to 5.12.1

Bumps [eslint](https://github.com/eslint/eslint) from 4.16.0 to 5.12.1.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v4.16.0...v5.12.1)

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

package.json

@@ -32,7 +32,7 @@
     "chalk": "2.4.2",
     "circular-dependency-plugin": "4.4.0",
     "ejs-loader": "0.3.1",
-    "eslint": "4.16.0",
+    "eslint": "5.12.1",
     "eslint-config-semistandard": "12.0.0",
     "eslint-config-standard": "10.2.1",
     "eslint-config-standard-react": "5.0.0",