Upgrade Liebherr integration to Silver (#162178)

homeassistant/components/liebherr/manifest.json

@@ -7,7 +7,7 @@
   "integration_type": "hub",
   "iot_class": "cloud_polling",
   "loggers": ["pyliebherrhomeapi"],
-  "quality_scale": "bronze",
+  "quality_scale": "silver",
   "requirements": ["pyliebherrhomeapi==0.2.1"],
   "zeroconf": [
     {

homeassistant/components/liebherr/quality_scale.yaml

@@ -34,7 +34,7 @@ rules:
   docs-installation-parameters: done
   entity-unavailable: done
   integration-owner: done
-  log-when-unavailable: todo
+  log-when-unavailable: done
   parallel-updates: done
   reauthentication-flow: done
   test-coverage: done