Replace gitversion from Chocolatey to dotnet tool
Replace gitversion from Chocolatey to dotnet tool

- Chocolatey is down (again!) and we can't have the builds stopped because of that

Signed-off-by: José Simões <1616ff7a83d123f98f8f38fa2524eab406644781@eclo.solutions>

nanoframework/nf-Visual-Studio-extension