fix reference path CI failures

Author: codex

git/refs/log.py

@@ -4,7 +4,6 @@
 __all__ = ["RefLog", "RefLogEntry"]
 
 from mmap import mmap
-import os.path as osp
 import re
 import time as _time
 
@@ -213,7 +212,7 @@ def path(cls, ref: "SymbolicReference") -> str:
         :param ref:
             :class:`~git.refs.symbolic.SymbolicReference` instance
         """
-        return to_native_path(ref._get_validated_reflog_path(ref.repo, ref.path))
+        return str(to_native_path(ref._get_validated_reflog_path(ref.repo, ref.path)))
 
     @classmethod
     def iter_entries(cls, stream: Union[str, "BytesIO", mmap]) -> Iterator[RefLogEntry]: