[bug] pb_using_timestamps_in_MISP incorrect publish_timestamp filtering

[righel]

In the timestamps playbook:
https://github.com/MISP/misp-playbooks/blob/main/misp-playbooks/pb_using_timestamps_in_MISP-with_output.ipynb

Section:
Use REST API to search for published events on an exact date
json={"returnFormat":"json", "publish_timestamp":"2023-07-07", "published":"1"}

The publish_timestamp filter is not working as expected with the YYYY-MM-DD format, it has to be in timestamp format.

[cudeso]

Good catch! I'll update the playbook soon.