* (Apollon77) make sure a "null" value in state changes is not crashing

package.json

@@ -26,7 +26,7 @@
   },
   "dependencies": {
     "websocket": "^1.0.34",
-    "ws": "^8.5.0",
+    "ws": "^8.8.0",
     "@iobroker/adapter-core": "^2.6.0"
   },
   "devDependencies": {
@@ -35,7 +35,7 @@
     "@alcalzone/release-script-plugin-license": "^3.5.9",
     "axios": "^0.27.2",
     "gulp": "^4.0.2",
-    "mocha": "^9.2.2",
+    "mocha": "^10.0.0",
     "chai": "^4.3.6"
   },
   "main": "main.js",