Fix: allow update memory type (#12237)

### What problem does this PR solve?

Allow update memory_type.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

api/apps/memories_app.py

@@ -70,7 +70,7 @@ async def create_memory():
 
 @manager.route("/<memory_id>", methods=["PUT"])  # noqa: F821
 @login_required
-@not_allowed_parameters("id", "tenant_id", "memory_type", "storage_type")
+@not_allowed_parameters("id", "tenant_id", "storage_type")
 async def update_memory(memory_id):
     req = await get_request_json()
     update_dict = {}