Add feature to override _ask_human_input function in Task (#2419)

Co-Authored-By: Joe Moura <joao@crewai.com>

tests/test_custom_human_input.py

@@ -0,0 +1,23 @@
+import pytest
+from unittest.mock import patch, MagicMock
+
+from crewai.task import Task
+
+
+def test_task_custom_human_input_parameter():
+    """Test that the Task class accepts the ask_human_input parameter."""
+    # Custom human input function
+    def custom_input_func(final_answer):
+        return "Custom feedback"
+    
+    # Create a task with the custom function
+    task = Task(
+        description="Test task",
+        expected_output="Test output",
+        human_input=True,
+        ask_human_input=custom_input_func
+    )
+    
+    # Verify the parameter was stored correctly
+    assert task.ask_human_input == custom_input_func
+    assert callable(task.ask_human_input)