Update prValidate.yml for Azure Pipelines

Author: ramsessanchez

.azure-pipelines/prValidate.yml

@@ -44,7 +44,7 @@ steps:
     debugMode: false
 
 - task: PowerShell@2
-  condition: and(failed, eq(variables['Build.SourceBranchName'], 'dev'))
+  condition: and(failed(), eq(variables['Build.SourceBranchName'], 'dev'))
   inputs:
     filePath: '$(System.DefaultWorkingDirectory)/Scripts/validateMavenVersion.ps1'
     pwsh: true