dl: fix Python <=3.11 on Windows

Signed-off-by: Filipe Laíns <lains@riseup.net>

Author: FFY00

dynamic_library/_hook.py

@@ -15,4 +15,5 @@
     warnings.warn('Libraries registered via dynamic_library entrypoints will not be loaded!', RuntimeWarning)
 else:
     for lib in dynamic_library.get_libraries():
+        lib = os.fspath(lib)  # Needed by Python <=3.11 on Windows
         ctypes.CDLL(lib, ctypes.RTLD_LOCAL)