Apply pull request suggestions from github copilot

Signed-off-by: Matheus Cruz <matheuscruz.dev@gmail.com>

Author: mcruzdev

experimental/fluent/func/src/main/java/io/serverlessworkflow/fluent/func/dsl/FuncDSL.java

@@ -362,8 +362,10 @@ public static <R> JavaContextFunction<Object, R> enriched(Function<WorkflowModel
   public static <T, R> JavaContextFunction<T, R> enrichedOutput(
       EnrichWithModelBiFunction<T, R> fn, Class<T> taskOutputClass) {
     return (taskOutput, workflowContext) -> {
+      Objects.requireNonNull(taskOutputClass, "taskOutputClass must not be null");
       final WorkflowModel rootInput = workflowContext.instanceData().input();
-      return fn.apply(taskOutput, rootInput);
+      final T typedTaskOutput = taskOutputClass.cast(taskOutput);
+      return fn.apply(typedTaskOutput, rootInput);
     };
   }