Documentation for MSSQL custom CA certificates is incorrect / incomplete

**Describe the bug**
You cannot connect to an MSSQL database over SSL using a self-signed CA by following the instructions in the documentation.

**To Reproduce**
Steps to reproduce the behavior:
1. Read the docs
2. Follow the docs
3. Attempt to connect to an MSSQL database
4. Fail

**Expected behavior**
Following the documentation should enable me to connect.

**Screenshots**
N/A.

**Minimally reproducible Cube Schema**
N/A.

**Version:**
v0.35.29

**Additional context**
PR to follow