Update KNX quality scale to platinum (#159379)

homeassistant/components/knx/manifest.json

@@ -9,7 +9,7 @@
   "integration_type": "hub",
   "iot_class": "local_push",
   "loggers": ["xknx", "xknxproject"],
-  "quality_scale": "silver",
+  "quality_scale": "platinum",
   "requirements": [
     "xknx==3.13.0",
     "xknxproject==3.8.2",

homeassistant/components/knx/quality_scale.yaml

@@ -105,7 +105,7 @@ rules:
   exception-translations: done
   icon-translations: done
   reconfiguration-flow: done
-  repair-issues: todo
+  repair-issues: done
   stale-devices:
     status: exempt
     comment: |