move UseDotNet back to each job

azure-pipelines.yml

@@ -49,6 +49,15 @@ stages:
           Write-Host "##vso[task.setvariable variable=folderChanged;isOutput=true]$folderFound"
       displayName: 'Check Git Diff for Specific Folders'
 
+  - job: LinuxBuild
+    displayName: 'Build on Linux'
+    dependsOn: SetupEnvironment
+    variables:
+      folderChanged: $[ dependencies.SetupEnvironment.outputs['diffStep.folderChanged'] ]
+    pool:
+      vmImage: 'ubuntu-latest'
+    steps:
+
       - task: UseDotNet@2
           inputs:
           packageType: 'sdk'
@@ -59,15 +68,6 @@ stages:
           versionSource: 'spec'
           versionSpec: '20.x'
 
-  - job: LinuxBuild
-    displayName: 'Build on Linux'
-    dependsOn: SetupEnvironment
-    variables:
-      folderChanged: $[ dependencies.SetupEnvironment.outputs['diffStep.folderChanged'] ]
-    pool:
-      vmImage: 'ubuntu-latest'
-    steps:
-
       - task: PowerShell@2
         inputs:
           filePath: 'make.ps1'
@@ -112,6 +112,16 @@ stages:
       vmImage: 'windows-latest' # Specify the Windows agent
     steps:
 
+      - task: UseDotNet@2
+          inputs:
+          packageType: 'sdk'
+          version: '9.0.x'
+
+      - task: NodeTool@0
+          inputs:
+          versionSource: 'spec'
+          versionSpec: '20.x'
+
       - task: PowerShell@2
         inputs:
           filePath: 'make.ps1'