Merge pull request #310 from federicopellegatta/fix/training-plan-by-id-endpoint

Fix training plan retrieval by updating API endpoint

Author: cyberjunky

garminconnect/__init__.py

@@ -2311,7 +2311,7 @@ def get_training_plan_by_id(self, plan_id: int | str) -> dict[str, Any]:
 
         plan_id = _validate_positive_integer(int(plan_id), "plan_id")
 
-        url = f"{self.garmin_connect_training_plan_url}/plans/{plan_id}"
+        url = f"{self.garmin_connect_training_plan_url}/phased/{plan_id}"
         logger.debug("Requesting training plan details for %s", plan_id)
         return self.connectapi(url)