fix security issue

Author: Leon-hk

src/gardenlinux/features/reproducibility/comparator.py

@@ -68,7 +68,7 @@ def _unpack(file: PathLike[str]) -> tempfile.TemporaryDirectory[str]:
         """
 
         output_dir = tempfile.TemporaryDirectory()
-        file = Path(file)
+        file = Path(file).resolve()
         if file.name.endswith(".oci"):
             with tempfile.TemporaryDirectory() as extracted:
                 # Extract .oci file