chore: bump version to 0.2.1

Author: nijel

custom_components/proteus_api/manifest.json

@@ -14,5 +14,5 @@
     "aiohttp>=3.8.0",
     "aiohttp-retry>=2.9.1"
   ],
-  "version": "0.2.0"
+  "version": "0.2.1"
 }