CA_Chain Property added to GET request

[mdaugherty112]

BUSINESS PROBLEM
When getting a certificate from Venafi Secrets Engine you get the certificate_chain, but in our case we need the ca_chain. I noticed that ca_chain is available on POST request and wondered if it could be added to GET also. This will allow us to just pull the chain instead of pulling the certificate chain and having to take extra engineering steps to remove the certificate.

PROPOSED SOLUTION
Add Property ca_chain to GET request

CURRENT ALTERNATIVES
Once you get the certificate chain you have to use regex or special tools to pull out the certificate.