MSSQL

...G...... [ZBXNEXT-9292] added instance name support in URI

* commit '077ef5f8097759cf670986897df9b3dd501c5a03':
  ...G...... [ZBXNEXT-9292] added changelog entry
  ...G...... [ZBXNEXT-9292] improved implementation of port parsing
  ...G...... [ZBXNEXT-9292] added comments to code
  ...G...... [ZBXNEXT-9292] corrected to work without sdk changes
  ...G...... [ZBXNEXT-9292] corrected to work with enhanced sdk
  ...G...... [ZBXNEXT-9292] added instance name support in uri