correct names

Author: Pan-Qi

.azure-pipelines/batch-generation.yml

@@ -51,8 +51,8 @@ stages:
           targetType: inline
           pwsh: true
           script: |
-            Write-Host "Pipeline variable SKIPPED_MODULES: $($env:SKIPPED_MODULES)"
-            Write-Host "Pipeline variable GENERATION_BASE_BRANCH: $($env:GENERATION_BASE_BRANCH)"
+            Write-Host "Pipeline variable SkippedModules: $($env:SkippedModules)"
+            Write-Host "Pipeline variable GenerationBaseBranch: $($env:GenerationBaseBranch)"
             Write-Host "Pipeline variable FailedJobNotificationReceivers: $($env:FailedJobNotificationReceivers)"
 
             Write-Host "Parameter TestChangedModulesOnly: ${{ parameters.TestChangedModulesOnly }}"