Update ci-build.yml for Azure Pipelines

Author: MaggieKimani1

.azure-pipelines/ci-build.yml

@@ -271,7 +271,7 @@ stages:
                 source: current
             - pwsh: |
                 $artifactName = Get-ChildItem -Path $(Pipeline.Workspace)\Nugets -Filter Microsoft.OpenApi.*.nupkg -recurse | select -First 1
-                $artifactVersion= $artifactName -replace "Microsoft.OpenApi.", "" -replace ".nupkg", ""
+                $artifactVersion= $artifactName.Name -replace "Microsoft.OpenApi.", "" -replace ".nupkg", ""
                 #Set Variable $artifactName and $artifactVersion
                 Write-Host "##vso[task.setvariable variable=artifactVersion; isSecret=false; isOutput=true]$artifactVersion"
                 Write-Host "##vso[task.setvariable variable=artifactName; isSecret=false; isOutput=true]$artifactName.FullName"