MsSQL Connection Details supports additional ssl options

[BradleyBoutcher]

NewConnectionDetails has support for SSLOptions, similar to the PG and MySQL adapter.

• [x] sslOptions exists as a value in the connectiondetails struct
• [x] "sslrootcert", "sslkey", "sslcert" can be specified in the secretless.yml
• [x] unit tests exist for the proper handling of these values