Is your feature request related to a problem? Please describe.
When using kind: VaultDynamicSecret, it requires you to spesify .spec.provider.auth. In our case, we talk to a Vault Agent that does the auth itself, and the API proxy it provides requires no auth (access strictly controlled by Network Policies, also this is a very dynamic CI kubernetes where test namespaces come and go).

Describe the solution you'd like
If I could either leave the VauldDynamicSecret.spec.provider.auth as {} or tell it to use "None" or which ever way would be most suitable to have it do no auth.

Describe alternatives you've considered
There really are none, because with every auth method it tries to make an auth which fails.