Ensure standard locale in run_command (group5-batch5) (#11776)

* Fix locale env vars in run_command() calls for group5 batch5 modules

Set LANGUAGE=C and LC_ALL=C via run_command_environ_update to ensure
locale-independent output parsing in pnpm, sysrc, timezone, xattr,
and yarn.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Add changelog fragment for PR #11776

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

---------

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

plugins/modules/pnpm.py

@@ -327,6 +327,7 @@ def main():
     )
     arg_spec["global"] = dict(default=False, type="bool")
     module = AnsibleModule(argument_spec=arg_spec, supports_check_mode=True)
+    module.run_command_environ_update = {"LANGUAGE": "C", "LC_ALL": "C"}
 
     name = module.params["name"]
     alias = module.params["alias"]

plugins/modules/sysrc.py

@@ -119,6 +119,7 @@ class Sysrc(StateModuleHelper):
         if not re.match(r"^\w+$", self.vars.name, re.ASCII):
             self.module.fail_json(msg="Name may only contain alpha-numeric and underscore characters")
 
+        self.module.run_command_environ_update = {"LANGUAGE": "C", "LC_ALL": "C"}
         self.sysrc = self.module.get_bin_path("sysrc", True)
 
     def _contains(self):

plugins/modules/timezone.py

@@ -863,6 +863,7 @@ def main():
         required_one_of=[["hwclock", "name"]],
         supports_check_mode=True,
     )
+    module.run_command_environ_update = {"LANGUAGE": "C", "LC_ALL": "C"}
     tz = Timezone(module)
 
     # Check the current state

plugins/modules/xattr.py

@@ -178,6 +178,7 @@ def main():
         ),
         supports_check_mode=True,
     )
+    module.run_command_environ_update = {"LANGUAGE": "C", "LC_ALL": "C"}
     path = module.params.get("path")
     namespace = module.params.get("namespace")
     key = module.params.get("key")

plugins/modules/yarn.py

@@ -280,6 +280,7 @@ def main():
     )
     arg_spec["global"] = dict(default=False, type="bool")
     module = AnsibleModule(argument_spec=arg_spec, supports_check_mode=True)
+    module.run_command_environ_update = {"LANGUAGE": "C", "LC_ALL": "C"}
 
     name = module.params["name"]
     path = module.params["path"]