Fix lint errors: Import Any from typing and remove quotes from type annotation

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

lib/crewai/src/crewai/utilities/planning_handler.py

@@ -1,6 +1,7 @@
 """Handles planning and coordination of crew tasks."""
 
 import logging
+from typing import TYPE_CHECKING, Any
 
 from pydantic import BaseModel, Field
 
@@ -9,6 +10,10 @@ from crewai.llms.base_llm import BaseLLM
 from crewai.task import Task
 
 
+if TYPE_CHECKING:
+    pass
+
+
 logger = logging.getLogger(__name__)
 
 
@@ -44,7 +49,7 @@ class CrewPlanner:
         self,
         tasks: list[Task],
         planning_agent_llm: str | BaseLLM | None = None,
-        crew: "Any" = None,
+        crew: Any = None,
     ) -> None:
         """Initialize CrewPlanner with tasks and optional planning agent LLM.