chore: update dependencies in package.json

Author: alanpeng

package.json

@@ -51,14 +51,15 @@
     "eslint-plugin-import": "^2.25.3",
     "eventsource-polyfill": "",
     "express": "^4.17.1",
+    "extract-text-webpack-plugin": "4.0.0-beta.0",
     "file-loader": "^6.2.0",
     "html-webpack-plugin": "^5.5.0",
     "http-proxy-middleware": "^2.0.1",
     "inject-loader": "",
     "json-loader": "^0.5.7",
     "nightwatch": "^2.0.0",
     "node-sass": "^7.0.0",
-    "ora": "^6.0.1",
+    "ora": "5.4.1",
     "sass-loader": "^12.3.0",
     "selenium-server": "^3.141.59",
     "shelljs": "^0.8.4",