chore(package): update eslint from 5.0.1 to 5.12.1

npm run eslint still runs fine, no warnings.

package.json

@@ -64,7 +64,7 @@
     "clean-webpack-plugin": "^1.0.0",
     "cross-env": "^5.1.3",
     "cz-conventional-changelog": "^2.0.0",
-    "eslint": "^5.0.1",
+    "eslint": "^5.12.1",
     "eslint-config-standard": "^12.0.0",
     "eslint-plugin-import": "^2.9.0",
     "eslint-plugin-node": "^8.0.0",