Last V2 version of PowerShell Generate Release Notes

Last version of PowerShell Generate Release Notes that used PowerShell 2,

The V3 versions use PowerShell3

Xplat Release Notes VSIX 2.6.9

Then last version of the Xplat Release Notes VSIX package that included both the V1 and V2 versions of the task.

The V1 has been removed from the supported packaged as it used preview APIs.

It is left here as it does allow usage on TFS 2018