fix: Add missing check_task_lock_and_exit function to conductor utils (#1704)

Resolves AttributeError in osism.tasks.conductor.sync_ironic task by adding
the missing check_task_lock_and_exit function as a wrapper around the main
utils implementation.

AI-assisted: Claude Code

Signed-off-by: Christian Berendt <[email protected]>

Author: berendt

osism/tasks/conductor/utils.py

@@ -232,3 +232,13 @@ def get_ironic_parameters():
         logger.warning(f"Could not get conductor Redfish address: {exc}")
 
     return None
+
+
+def check_task_lock_and_exit():
+    """
+    Check if tasks are locked and exit with error message if they are.
+    Used by commands that should not run when tasks are locked.
+
+    This is a convenience wrapper around the main utils function.
+    """
+    return utils.check_task_lock_and_exit()