[Salesforce Connector] Does version 4.0 use TLS 1.2

Does SalesForce Connector Version 4.0 access Sales Force using TLS 1.2? 

Sales force put out a notice that they will disable TLS 1.1 access later in 2019 and I just wanted to make sure that the connector will still work when this happens.

Yes, it does. The code below is from the extension.

//Change Tls to Tls 1.2
SetTlsMode();

private void SetTlsMode() {
    ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
}