Set locale for python apt (#79546)

* set locale to get_best_parsable_locale for the python-apt API

* add a test case

* add changelog

* remove test that tests nothing

changelogs/fragments/79546-apt-fix-setting-locale.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - apt - set locale to fix updating the cache (https://github.com/ansible/ansible/issues/79523).

lib/ansible/modules/apt.py

@@ -354,6 +354,7 @@ warnings.filterwarnings('ignore', "apt API not stable yet", FutureWarning)
 import datetime
 import fnmatch
 import itertools
+import locale as locale_module
 import os
 import random
 import re
@@ -1218,6 +1219,7 @@ def main():
     # to make sure we use the best parsable locale when running commands
     # also set apt specific vars for desired behaviour
     locale = get_best_parsable_locale(module)
+    locale_module.setlocale(locale_module.LC_ALL, locale)
     # APT related constants
     APT_ENV_VARS = dict(
         DEBIAN_FRONTEND='noninteractive',