Temp files cleanup

[JoePJisc]

Description

Add a job to clean up orphaned temporary files to prevent /tmp from growing exponentially.

docker-compose.yml and misp_maintenance_jobs.ini must be updated in existing deployments to activate this job.

Related Issue(s)

• /tmp growing too large with temporary files not being cleaned up after RPZ generation

Type of change

Please tick options that are relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also
list any relevant details for your test configuration

• GitHub Actions Development Images passing.
• Manual deployment and testing of MISP successful.
• Manually created temp files and ensure they are deleted.

Test Configuration:

• Docker Host OS: Ubuntu 24.04.4 LTS
• Docker Engine Version: 29.4.1
• MISP Version: 2.5.37

Checklist:

• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings

[github-actions]

Test images for this PR are now being built, see Actions tab for details.

[github-actions]

New test images for this PR have been published: jisccti/misp-modules-dev:pull_request_1bed427b2b2643ef1e9ba0b952e407e50e28cbbd jisccti/misp-web-dev:pull_request_1bed427b2b2643ef1e9ba0b952e407e50e28cbbd jisccti/misp-workers-dev:pull_request_1bed427b2b2643ef1e9ba0b952e407e50e28cbbd jisccti/misp-shibb-sp-dev:pull_request_1bed427b2b2643ef1e9ba0b952e407e50e28cbbd