util/log: rotate log file periodically

[Abhijeet94]

Fix log file not rotating during zero traffic periods by triggering rotation logic every second

Ticket: https://redmine.openinfosecfoundation.org/issues/8115

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Contribution style:

• I have read the contributing guide lines at
  https://docs.suricata.io/en/latest/devguide/contributing/contribution-process.html

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• I have signed the Open Information Security Foundation contribution agreement at
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Changes (if applicable):

• I have updated the User Guide (in doc/userguide/) to reflect the changes made
• I have updated the JSON schema (in etc/schema.json) to reflect all logging changes
  (including schema descriptions)
• I have created a ticket at
  https://redmine.openinfosecfoundation.org/projects/suricata/issues

Link to ticket: https://redmine.openinfosecfoundation.org/issues/8115

Describe changes:
Used the periodic log flush thread to do log rotation every 1 second. Write is triggered with a Rotate function pointer. This PR is a follow-up for this.

[Abhijeet94]

Follow up from #15284

[jlucovsky]

This looks good

One small change is needed before this can be considered for merging

Please update the copyright dates in all modified source modules.

[Abhijeet94]

Following up here #15635