Override MicroBuild Output Folder (#586)

* Override MicroBuild Output Folder

* Use env to override MicroBuildOutputFolder

Author: testforstephen

.azure-pipelines/signjars-nightly.yml

@@ -62,6 +62,7 @@ extends:
                   feedSource: 'https://mseng.pkgs.visualstudio.com/DefaultCollection/_packaging/MicroBuildToolset/nuget/v3/index.json'
                 env:
                   SYSTEM_ACCESSTOKEN: $(System.AccessToken)
+                  MicroBuildOutputFolderOverride: '$(Agent.TempDirectory)'
               - task: JavaToolInstaller@0
                 displayName: Use Java 21
                 inputs:

.azure-pipelines/signjars-rc.yml

@@ -57,6 +57,7 @@ extends:
                   feedSource: 'https://mseng.pkgs.visualstudio.com/DefaultCollection/_packaging/MicroBuildToolset/nuget/v3/index.json'
                 env:
                   SYSTEM_ACCESSTOKEN: $(System.AccessToken)
+                  MicroBuildOutputFolderOverride: '$(Agent.TempDirectory)'
               - task: JavaToolInstaller@0
                 displayName: Use Java 21
                 inputs: