hscommon\pygettext.py calling imp, which is removed in 3.12

[rbennett00]

imp is no longer available in 3.12 and has been replaced with importlib. need to update pygettext.py to use importlib instead.

(env) C:\Users\rbenn\Documents\GitHub\dupeguru>py build.py
Traceback (most recent call last):
File "C:\Users\rbenn\Documents\GitHub\dupeguru\build.py", line 20, in
from hscommon import loc
File "C:\Users\rbenn\Documents\GitHub\dupeguru\hscommon\loc.py", line 9, in
from hscommon import pygettext
File "C:\Users\rbenn\Documents\GitHub\dupeguru\hscommon\pygettext.py", line 18, in
import imp
ModuleNotFoundError: No module named 'imp'

[dktrkranz]

Patch fixing this issue can be found here: python/cpython@328cb1f#diff-27bf55510663a73d2fdea1e604efdb59e0115378530202b5c55d04656dedece2