[MASSMAIL]Cron not running

But we are not seeing any entries in cron.job_run_details for the test database and also partitions are not getting created/dropped as we have expected on the test database. So it means it's not running in one of the databases. Wondering why it is so, if we are missing anything? How to debug this issue ,find the cause if it's failing internally for some reason and fix it ?

select partman.create_parent(
   p_parent_table := 'TAB1',
   p_control := 'part_col',
   p_type := 'native',
   p_interval := '1 day',
   p_premake := 5,
   p_start_partition => '2024-02-01 00:00:00'
);

update partman.part_config set infinite_time_partitions = 'true' , retention = '1 months', retention_keep_table='true', retention_keep_index='true'
where parent_table = 'TAB1';

SELECT cron.schedule('@daily',partman.run_maintenance());