chore(package): update eslint-plugin-html to version 5.0.3

Closes #63

Author: greenkeeper[bot]

package.json

@@ -66,7 +66,7 @@
     "eslint-config-guo": "^0.8.0",
     "eslint-friendly-formatter": "^4.0.1",
     "eslint-loader": "^2.0.0",
-    "eslint-plugin-html": "^4.0.6",
+    "eslint-plugin-html": "^5.0.3",
     "eslint-plugin-vue": "^5.0.0",
     "extract-text-webpack-plugin": "^3.0.0",
     "file-loader": "^3.0.0",