Move `scripts/powershell` to `eng/scripts` (#5633)

eng/pipelines/setup-tutorial-branch.yml

@@ -51,7 +51,7 @@ jobs:
       displayName: 'Setup Tutorial Branch'
       inputs:
         targetType: filePath
-        filePath: "scripts/powershell/Setup-TutorialBranch.ps1"
+        filePath: "eng/scripts/Setup-TutorialBranch.ps1"
         arguments: >
           -GitHubRepositoryOwner Azure
           -GitHubRepositoryName ${{parameters.Repository}}

eng/pipelines/templates/steps/ref-updater.yml

@@ -25,7 +25,7 @@ steps:
   - task: Powershell@2
     inputs:
       targetType: 'filePath'
-      filePath: ${{ parameters.ToolsRepoPath }}/scripts/powershell/ref-updater.ps1
+      filePath: ${{ parameters.ToolsRepoPath }}/eng/scripts/ref-updater.ps1
       arguments: >
         -RepoRoot $(System.DefaultWorkingDirectory)/${{ repo.key }}
         -Tag ${{ parameters.Tag }}