Release.yml hash creation (#21254)

* injecting hash

* Update release.yml

* Update release.yml

* Update release.yml

* Update release.yml

* Update release.yml

* Update release.yml

* Update release.yml

* Update release.yml

* Update release.yml

* Update release.yml

* Update release.yml

* Update release.yml

why is it always a slash

.pipelines/release.yml

@@ -502,10 +502,31 @@ jobs:
       contents: '**/PowerToysSetup-*.exe'
       flattenFolders: True
       targetFolder: $(Build.ArtifactStagingDirectory)
+
+  - task: PowerShell@2
+    displayName: 'Calculating SHA256 hash'
+    inputs:
+      targetType: 'inline'
+      script: |
+        $p = "$(System.ArtifactsDirectory)\";
+        $staging = "$(Build.ArtifactStagingDirectory)\"
+        $hash = ((get-item $p\*.exe | Get-FileHash).Hash);
+        $plat = "hash_$(BuildPlatform).txt";
+        $combinedPath = $staging + $plat;
+        
+        echo $plat
+        echo $hash
+        echo $p
+        echo $combinedPath
+        
+        $hash | out-file -filepath $combinedPath
+      pwsh: true
       
   - task: PublishBuildArtifacts@1
     displayName: 'Publish Artifact: PowerToySetup'
     inputs:
       PathtoPublish: $(System.ArtifactsDirectory)
       ArtifactName: setup-$(BuildPlatform)
+
+
 ...