feat: PVC configurable through values.yml

[mcfdez]

This pull request includes changes to the Helm chart templates and configuration files to allow customization of Persistent Volume Claim (PVC) names and volume names for both data and audit storage. The most important changes include updates to the templates, schema, and values files to support these new configuration options.

Enhancements to PVC customization:

• templates/_helpers.tpl: Updated to allow specifying custom names for data and audit PVCs and added support for specifying volume names. [1] [2] [3]

• values.schema.json: Added new properties name and volumeName for both dataStorage and auditStorage objects to support the new customization options. [1] [2]

• values.yaml: Introduced new fields name and volumeName under dataStorage and auditStorage configurations to allow users to set custom PVC names and volume names. [1] [2] [3] [4]

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