Update code-oob.yml for Azure Pipelines

Author: Nickcandy

.azure-pipelines/code-oob.yml

@@ -111,8 +111,8 @@ stages:
               git push origin codeoob/${{ parameters.ServiceName }} --force;
               $Title = "Migrate ${{ parameters.ServiceName }} from oob to main"
               $HeadBranch = "codeoob/${{ parameters.ServiceName }}"
-              $BaseBranch = "${{ parameters.TargetBranch }}"
-              $Description = "Migrate ${{ parameters.ServiceName }} from oob to ${{parameters.TargetBranch}}"
+              $BaseBranch = "$(Build.SourceBranchName)"
+              $Description = "Migrate ${{ parameters.ServiceName }} from oob to $(Build.SourceBranchName)"
               ./tools/Github/CreatePR.ps1 -Title $Title -HeadBranch $HeadBranch -BaseBranch $BaseBranch -BotAccessToken $Token -Description $Description -Draft $true
       displayName: Create PR to main branch
       condition: and(succeeded(), eq('$(NeedBumpUp)', 'true'))