Use gh commandline to get latest release

Author: adityapatwardhan

.ci/ci.yml

@@ -10,11 +10,6 @@ pr:
     include:
     - master
 
-parameters:
-  - name: DSCVersion
-    default: '3.2.0-preview.14'
-    type: string
-
 resources:
   repositories:
   - repository: ComplianceRepo

.ci/test.yml

@@ -5,7 +5,6 @@ parameters:
   powershellExecutable: pwsh
   buildDirectory: '.'
   useAzAuth: false
-  DSCVersion: '3.2.0-preview.14'
 
 jobs:
 - job: ${{ parameters.jobName }}
@@ -97,7 +96,7 @@ jobs:
     condition: eq(${{ parameters.useAzAuth }}, false)
 
   - pwsh: |
-      $version = '${{ parameters.DSCVersion }}'
+      $version = gh release list --repo powershell/dsc --json tagName --exclude-drafts | convertFrom-Json | Select-Object -First 1 -ExpandProperty tagName | % { $_.replace('v','') }
       $packageName = "DSC-$version"
       $ext = 'tar.gz'
       $executableName = 'dsc'