reuse one PR for loc changes (microsoft#696)

Co-authored-by: David Shiflet (from Dev Box) <[email protected]>

Author: shueybubbles

.pipelines/LocBuild.yml

@@ -20,6 +20,7 @@ steps:
       dependencyPackageSource: 'https://pkgs.dev.azure.com/msdata/_packaging/SQLDS_SSMS/nuget/v3/index.json'
       patVariable: $(System.AccessToken)
       isAutoCompletePrSelected: false
+      isShouldReusePrSelected: true
   - task: PublishPipelineArtifact@1
     inputs:
       targetPath: '$(Build.ArtifactStagingDirectory)'