Onboard pipelines to MicroBuild

Author: testforstephen

.azure-pipelines/signjars-nightly.yml

@@ -45,6 +45,23 @@ extends:
             steps:
               - checkout: self
                 fetchTags: true
+              - task: UsePythonVersion@0
+                displayName: 'Use Python 3.11.x'
+                inputs:
+                  versionSpec: 3.11.x
+              - task: UseDotNet@2
+                displayName: 'Use .NET Core 3.1.x'
+                inputs:
+                  packageType: 'sdk'
+                  version: '3.1.x'
+              - task: MicroBuildSigningPlugin@4
+                displayName: 'Install Signing Plugin'
+                inputs:
+                  signType: real
+                  azureSubscription: 'MicroBuild Signing Task (MSEng)'
+                  feedSource: 'https://mseng.pkgs.visualstudio.com/DefaultCollection/_packaging/MicroBuildToolset/nuget/v3/index.json'
+                env:
+                  SYSTEM_ACCESSTOKEN: $(System.AccessToken)
               - task: JavaToolInstaller@0
                 displayName: Use Java 21
                 inputs: