Ensure task exits when trying to use version of Pester not supported

Author: ChrisLGardner

Extension/PesterTask/PesterV10/Pester.ps1

@@ -45,6 +45,7 @@ param
 
 if ($TargetPesterVersion -match '^4') {
     Write-Host "##vso[task.logissue type=error]This version of the task does not support Pester V4, please use task version 9."
+    exit 1
 }
 
 Write-Host "TestFolder $TestFolder"

Extension/PesterTask/PesterV9/Pester.ps1

@@ -45,6 +45,7 @@ param
 
 if ($TargetPesterVersion -match '^5') {
     Write-Host "##vso[task.logissue type=error]This version of the task does not support Pester V5, please use task version 10 or higher."
+    exit 1
 }
 Write-Host "scriptFolder $scriptFolder"
 Write-Host "resultsFile $resultsFile"