fix: move __future__ import to beginning of file to resolve syntax error

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

src/crewai/agents/agent_builder/base_agent.py

@@ -1,8 +1,9 @@
+from __future__ import annotations
+
 import uuid
 from abc import ABC, abstractmethod
 from copy import copy as shallow_copy
 from hashlib import md5
-from __future__ import annotations
 from typing import Any, Callable, Dict, List, Optional, TypeVar, Union
 from collections.abc import Sequence