Changing auto archiving from 24 to 12h (#583)

Author: Zabuzard

application/src/main/java/org/togetherjava/tjbot/commands/help/HelpThreadAutoArchiver.java

@@ -21,7 +21,7 @@
 public final class HelpThreadAutoArchiver implements Routine {
     private static final Logger logger = LoggerFactory.getLogger(HelpThreadAutoArchiver.class);
     private static final int SCHEDULE_MINUTES = 60;
-    private static final Duration ARCHIVE_AFTER_INACTIVITY_OF = Duration.ofHours(24);
+    private static final Duration ARCHIVE_AFTER_INACTIVITY_OF = Duration.ofHours(12);
 
     private final HelpSystemHelper helper;