Supply NuGet server URL to deployment script

[blairconrad]

Automatic deploy for 4.9.0 failed:

tools\deploy.cmd
Unhandled Exception: System.Exception: NuGet server URL is not set; please set it in the NUGET_SERVER_URL environment variable.
   at FakeItEasy.Deploy.Program.<Main>d__0.MoveNext() in C:\projects\fakeiteasy\tools\FakeItEasy.Deploy\Program.cs:line 30
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at FakeItEasy.Deploy.Program.<Main>(String[] args)
Command exited with code -532462766

[thomaslevesque]

Ah. The URl was hard-coded in the PowerShell script. I must have introduced the variable when I migrated the script to csproj and forgot to set it in appveyor.yml 😳

[blairconrad]

This change has been released as part of FakeItEasy 4.9.1.