Add agent version to Supervisor system health (#72360)

Co-authored-by: Stefan Agner <stefan@agner.ch>

homeassistant/components/hassio/strings.json

@@ -1,6 +1,7 @@
 {
   "system_health": {
     "info": {
+      "agent_version": "Agent Version",
       "board": "Board",
       "disk_total": "Disk Total",
       "disk_used": "Disk Used",

homeassistant/components/hassio/system_health.py

@@ -44,6 +44,7 @@ async def system_health_info(hass: HomeAssistant):
         "host_os": host_info.get("operating_system"),
         "update_channel": info.get("channel"),
         "supervisor_version": f"supervisor-{info.get('supervisor')}",
+        "agent_version": host_info.get("agent_version"),
         "docker_version": info.get("docker"),
         "disk_total": f"{host_info.get('disk_total')} GB",
         "disk_used": f"{host_info.get('disk_used')} GB",

tests/components/hassio/test_system_health.py

@@ -35,6 +35,7 @@ async def test_hassio_system_health(hass, aioclient_mock):
     }
     hass.data["hassio_host_info"] = {
         "operating_system": "Home Assistant OS 5.9",
+        "agent_version": "1337",
         "disk_total": "32.0",
         "disk_used": "30.0",
     }
@@ -52,6 +53,7 @@ async def test_hassio_system_health(hass, aioclient_mock):
             info[key] = await val
 
     assert info == {
+        "agent_version": "1337",
         "board": "odroid-n2",
         "disk_total": "32.0 GB",
         "disk_used": "30.0 GB",