Trim the version variable

Author: t-lair

azure-pipelines.yml

@@ -171,6 +171,7 @@ steps:
       script: |
         $xml = [Xml] (Get-Content .\Src\StackifyLib\StackifyLib.csproj)
         $version = $xml.Project.PropertyGroup.Version
+        $version = $version.Trim()
         echo $version
         echo "##vso[task.setvariable variable=version]$version"
         echo "StackifyLib."$version".nupkg"