Add persistent volume for future audit log

[coreydaley]

Add the creating and mounting of a persistent valume at /var/log/audit for the future audit logs to be written to using a default install

Description of the change

Existing or Associated Issue(s)

Additional Information

Checklist

• Chart version bumped in Chart.yaml according to semver.
• Variables are documented in the values.yaml and added to the README.md. The pre-commit utility can be used to generate the necessary content. Use pre-commit run -a to apply changes.
• JSON Schema template updated and re-generated the raw schema via pre-commit hook.
• List tests pass for Chart using the Chart Testing tool and the ct lint command.

[coreydaley]

/assign @rm3l @gazarenkov
This is to support the audit log functionality

[rm3l]

I guess we'll need to do the same thing for the operator..

[coreydaley]

I guess we'll need to do the same thing for the operator..

@rm3l I am currently working on a PR for the Operator.