bump version to 0.4.2

Author: mb-software

custom_components/powerbrain/manifest.json

@@ -7,6 +7,6 @@
   "config_flow": true,
   "codeowners": ["@mb-software"],
   "requirements": [],
-  "version": "0.4.1",
+  "version": "0.4.2",
   "iot_class": "local_polling"
 }