Update version in manifest.json from 2.3.0-beta.1 to 2.3.0, promoting the beta release to stable.

Author: sirkirby

custom_components/unifi_network_rules/manifest.json

@@ -15,5 +15,5 @@
         "aiounifi>=82.0.0",
         "orjson>=3.8.0"
     ],
-    "version": "2.3.0-beta.1"
+    "version": "2.3.0"
 }