fix release pipeline

azure-pipelines-release.yml

@@ -13,6 +13,33 @@ pool:
 
 steps:
 
+# Install specific .NET sdk required by build or signing tasks
+- task: UseDotNet@2
+  displayName: 'Use the .NET Core 2.1 SDK (required for build signing)'
+  inputs:
+    packageType: 'sdk'
+    version: '2.1.x'
+- task: UseDotNet@2
+  displayName: 'Install .NET Core 2.2 SDK'
+  inputs:
+    packageType: 'sdk'
+    version: '2.2.x'
+- task: UseDotNet@2
+  displayName: 'Install .NET Core 3.1 SDK'
+  inputs:
+    packageType: 'sdk'
+    version: '3.1.x'
+- task: UseDotNet@2
+  displayName: 'Install .NET Core 5.0 SDK'
+  inputs:
+    packageType: 'sdk'
+    version: '5.0.x'
+- task: UseDotNet@2
+  displayName: 'Install .NET Core 7.0 SDK'
+  inputs:
+    packageType: 'sdk'
+    version: '7.0.x'
+
 # Start by restoring all the dependencies.
 - task: DotNetCoreCLI@2
   displayName: 'Restore nuget dependencies'
@@ -42,13 +69,6 @@ steps:
     configuration: Release
     msbuildArgs: /p:GITHUB_RUN_NUMBER=$(Build.BuildId) /p:ContinuousIntegrationBuild=true
 
-# Install specific .NET sdk required by the signing tasks
-- task: UseDotNet@2
-  displayName: 'Use the .NET Core 2.1 SDK (required for build signing)'
-  inputs:
-    packageType: 'sdk'
-    version: '2.1.x'
-
 # Manifest Generator Task
 - task: AzureArtifacts.manifest-generator-task.manifest-generator-task.ManifestGeneratorTask@0
   displayName: 'Manifest Generator '