Bump version from 0.4.14 to 0.4.15

Author: lbbrhzn

custom_components/ocpp/manifest.json

@@ -4,7 +4,7 @@
   "documentation": "https://github.com/lbbrhzn/ocpp/blob/main/README.md",
   "iot_class": "local_push",
   "issue_tracker": "https://github.com/lbbrhzn/ocpp/issues",
-  "version": "0.4.14",
+  "version": "0.4.15",
   "config_flow": true,
   "after_dependencies": [
     "persistent_notification"