Allow release stage only on manual build

So pushes can trigger the pipeline automatically.

Author: andyleejordan

.pipelines/PowerShellEditorServices-Official.yml

@@ -8,7 +8,8 @@
 # Support:        https://aka.ms/onebranchsup                                   #
 #################################################################################
 
-trigger: none
+trigger:
+- main
 
 schedules:
 - cron: '35 13 * * 4'
@@ -131,7 +132,7 @@ extends:
                 **/System.Reactive.dll;
     - stage: release
       dependsOn: build
-      condition: ne(variables['Build.Reason'], 'Schedule')
+      condition: eq(variables['Build.Reason'], 'Manual')
       variables:
         version: $[ stageDependencies.build.main.outputs['package.version'] ]
         prerelease: $[ stageDependencies.build.main.outputs['package.prerelease'] ]