Provide a way to fetch a new OpenBao secret when the old one expires

[dborovcanin]

we need a mechanism to fetch a new secret when the old one expires for a more complete solution

Originally posted by @SammyOina in #173 (comment)

[SammyOina]

@nyagamunene perhaps we can retrieve and create this secret in certs service and have certs service manage it.

[nyagamunene]

@nyagamunene perhaps we can retrieve and create this secret in certs service and have certs service manage it.

Let me look into this. I don't know how we can start openbao without the secret id to seal and unseal the secrets.