Updating exception for Darwin

Author: gumyr

src/build123d/topology.py

@@ -1288,7 +1288,7 @@ def offset_3d(
 
         try:
             offset_occt_solid = offset_builder.Shape()
-        except StdFail_NotDone as err:
+        except (StdFail_NotDone, Standard_Failure) as err:
             raise RuntimeError(
                 "offset Error, an alternative kind may resolve this error"
             ) from err