Mock homeassistant zigbee2mqtt version.

lib/extension/homeassistant.js

@@ -489,6 +489,7 @@ class HomeAssistant {
         this.mqtt = mqtt;
         this.state = state;
         this.publishDeviceState = publishDeviceState;
+        this.zigbee2mqttVersion = zigbee2mqttVersion;
 
         // A map of all discoverd devices
         this.discovered = {};
@@ -540,7 +541,7 @@ class HomeAssistant {
             payload.device = {
                 identifiers: `zigbee2mqtt_${ieeeAddr}`,
                 name: friendlyName,
-                sw_version: `Zigbee2mqtt ${zigbee2mqttVersion}`,
+                sw_version: `Zigbee2mqtt ${this.zigbee2mqttVersion}`,
                 model: `${mappedModel.description} (${mappedModel.model})`,
                 manufacturer: mappedModel.vendor,
             };