I also have that :

level=debug ts=2023-12-19T14:10:24.599116831Z component=crons cron=vulnerabilities cron=vulnerabilities waiting=done
level=debug ts=2023-12-19T14:10:24.605809213Z component=crons cron=vulnerabilities cron=vulnerabilities msg="Not the leader. Skipping..."
level=debug ts=2023-12-19T14:10:24.6058486Z component=crons cron=vulnerabilities cron=vulnerabilities waiting="on ticker"

which I don't really understand honestly, nor find any information about it