Bump version from v4.15.0 to v4.15.1

Author: joleys

custom_components/nhc2/manifest.json

@@ -17,5 +17,5 @@
     "pyjwt",
     "aiohttp>=3.8.0"
   ],
-  "version": "v4.15.0"
+  "version": "v4.15.1"
 }