Allow global volume & volumeMounts in Helm chart

[csp33]

Description

I think we should add this option to avoid repeating the declaration in all the component's subsections.
It would be something similar to env

Use case/motivation

Avoid repeating volume & volumeMounts along all components

Related issues

No response

Are you willing to submit a PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct

[eladkal]

If you have a feature you want to work on you can raise PR directly. no need to open issue first :)