changed insufficiently reserved length for log message (#8152)

changed log message reserved length

src/borg/archiver/prune_cmd.py

@@ -169,7 +169,7 @@ class PruneMixIn:
                     or (args.list_pruned and archive in to_delete)
                     or (args.list_kept and archive not in to_delete)
                 ):
-                    list_logger.info(f"{log_message:<40} {formatter.format_item(archive, jsonline=False)}")
+                    list_logger.info(f"{log_message:<44} {formatter.format_item(archive, jsonline=False)}")
             pi.finish()
             if sig_int:
                 # Ctrl-C / SIGINT: do not checkpoint (commit) again, we already have a checkpoint in this case.