Fix typo

Author: patacca

src/qbinary/program.py

@@ -156,7 +156,7 @@ def open(
         elif backend == BackendType.binexport:
             from qbinary.backend.binexport import ProgramBinExport
 
-            return ProgramBinExport(export_file, exec_file=exec_file, **kwargs)
+            return ProgramBinExport(export_file, exec_path=exec_file, **kwargs)
 
         elif backend == BackendType.quokka:
             from qbinary.backend.quokka import ProgramQuokka