Add support for mTLS CA and CRL chain

[sebglon]

Is your feature request related to a problem? Please describe.
With Nginx,we need a secret with the CA an CRL chain for mTLS certificates.
For now we use a ricoberge resources with custom templating; but we need to migrate all our resources to VSO.

Describe the solution you'd like
A possible solution is to have a new resources to cover this case.
Another solution is to add new arg on VaultPKISecret to provide to cover this case.

Describe alternatives you've considered
Alternative solution is to add templating on VaultStaticSecret to generate it.

Additional context
Add any other context or screenshots about the feature request here.

https://discuss.hashicorp.com/t/nginx-mtls-with-vault-secret-operator-how-to-manage-ca-cert-chain-and-crl/59474

[sebglon]

Maybe this PR can help: #437 ?

[benashz]

Maybe this PR can help: #437 ?

@sebglon I suspect that you are correct. I think we will still need to extend VaultPKISecret to support fetching the CRL, if one is configured.

[benashz]

Closed with #437

[sebglon]

This issue is always present because we need 4 path from 2 PKI to generate the secret