lxc_container: use tempfile.TemporaryDirectory (#11323)

* lxc_container: use tempfile.TemporaryDirectory

* add changelog frag

* typo

changelogs/fragments/11323-lxc-container-tempdir.yml

@@ -0,0 +1,2 @@
+minor_changes:
+  - lxc_container - use ``tempfile.TemporaryDirectory()`` instead of ``mkdtemp()`` (https://github.com/ansible-collections/community.general/pull/11323).

plugins/modules/lxc_container.py

@@ -409,9 +409,7 @@ lxc_container:
 """
 
 import os
-import os.path
 import re
-import shutil
 import subprocess
 import tempfile
 import time
@@ -1351,9 +1349,7 @@ class LxcContainerManagement:
             * Clean up
         """
 
-        # Create a temp dir
-        temp_dir = tempfile.mkdtemp()
-
+        with tempfile.TemporaryDirectory() as temp_dir:
             # Set the name of the working dir, temp + container_name
             work_dir = os.path.join(temp_dir, self.container_name)
 
@@ -1425,9 +1421,6 @@ class LxcContainerManagement:
                     else:
                         self.container.start()
 
-            # Remove tmpdir
-            shutil.rmtree(temp_dir)
-
     def check_count(self, count, method):
         if count > 1:
             self.failure(