Set to v0.57.2 release-version

Author: bouwew

custom_components/plugwise/manifest.json

@@ -7,8 +7,7 @@
   "integration_type": "hub",
   "iot_class": "local_polling",
   "loggers": ["plugwise"],
-  "requirements": ["plugwise==1.7.3"
-  ],
-  "version": "0.57.2a1",
+  "requirements": ["plugwise==1.7.3"],
+  "version": "0.57.2",
   "zeroconf": ["_plugwise._tcp.local."]
 }