fix(windows): warn if Git long path support is disabled, do not fail

Author: BareninVitalya

src/gitingest/utils/git_utils.py

@@ -4,6 +4,7 @@
 
 import asyncio
 import base64
+import ctypes
 import os
 import re
 import sys
@@ -98,8 +99,7 @@ async def ensure_git_installed() -> None:
     Raises
     ------
     RuntimeError
-        If Git is not installed or not accessible, or if enabling long paths fails.
-        If checking the long path setting fails on Windows.
+        If Git is not installed or not accessible.
 
     """
     try: