Update dependency nightwatch to v2

package.json

@@ -100,7 +100,7 @@
     "lolex": "1.6.0",
     "mini-css-extract-plugin": "2.6.1",
     "mocha": "10.0.0",
-    "nightwatch": "0.9.21",
+    "nightwatch": "2.3.3",
     "opn": "4.0.2",
     "ora": "0.4.1",
     "postcss": "8.4.16",