Convert BlendPath to pathlib.Path using local filesystem encoding

UTF-8 is tried first, and if that fails the local filesystem encoding is
used.

blender_asset_tracer/tracer/__init__.py

@@ -59,8 +59,7 @@ class _Tracer:
         abspath = lib_block.bfile.abspath(relpath)
 
         # Convert bytes to pathlib.Path object so we have a nice interface to work with.
-        # This assumes the path is encoded in UTF-8.
-        path = pathlib.Path(abspath.decode())
+        path = abspath.to_path()
         try:
             path = path.resolve()
         except FileNotFoundError:

blender_asset_tracer/tracer/result.py

@@ -98,7 +98,7 @@ class BlockUsage:
         """
 
         bpath = self.block.bfile.abspath(self.asset_path)
-        path = pathlib.Path(bpath.decode())
+        path = bpath.to_path()
         if not self.is_sequence:
             if not path.exists():
                 log.warning('Path %s does not exist for %s', path, self)