Try to resolve release deletion issue

.ci/azure-build.yml

@@ -23,7 +23,9 @@ steps:
     #overWrite: false # Optional
     #flattenFolders: false # Optional
   # Create a variable for build success
+- bash: ls ${BUILD.ARTIFACTSTAGINGDIRECTORY}
 - pwsh: if( (Get-ChildItem $(Build.ArtifactStagingDirectory) | Measure-Object).Count -eq 0) { echo '##vso[task.setvariable variable=buildSuccess]false' } else { echo '##vso[task.setvariable variable=buildSuccess]true' }
+# delete the release if it already exists to avoid an error
 - task: GitHubRelease@0
   condition: and(succeeded(), eq(variables['buildSuccess'], 'true') )
   inputs:
@@ -43,7 +45,7 @@ steps:
     #isPreRelease: true # Optional
     #addChangeLog: true # Optional
 - task: GitHubRelease@0
-  condition: succeeded()
+  condition: and(succeeded(), eq(variables['buildSuccess'], 'true') )
   inputs:
     gitHubConnection: nheko-reborn-pipeline
     repositoryName: '$(Build.Repository.Name)'