Update dependencies from https://github.com/dotnet/arcade build 20260811.3

On relative base path root
Microsoft.DotNet.Arcade.Sdk From Version 10.0.0-beta.26406.9 -> To Version 10.0.0-beta.26411.3

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -36,9 +36,9 @@
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="10.0.0-beta.26410.1">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="10.0.0-beta.26411.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>f0580c1beaa25ecdb341ad8396df48acf433fbec</Sha>
+      <Sha>6a3a6bdbe2195bb7420b24a3d76e1fd66d7bbc35</Sha>
       <SourceBuild RepoName="arcade" ManagedOnly="true" />
     </Dependency>
   </ToolsetDependencies>

eng/common/Get-GitHubAppToken.ps1

@@ -113,10 +113,13 @@ try {
     $installations = @()
     $page = 1
     do {
-        $pageInstallations = @(Invoke-RestMethod `
+        # Assign the response before wrapping it in @(). PowerShell otherwise
+        # preserves a top-level JSON array as one nested pipeline object.
+        $pageResponse = Invoke-RestMethod `
             -Uri "https://api.github.com/app/installations?per_page=100&page=$page" `
             -Headers $headers `
-            -Method Get)
+            -Method Get
+        $pageInstallations = @($pageResponse)
         $installations += $pageInstallations
         $page++
     } while ($pageInstallations.Count -eq 100)
@@ -125,12 +128,19 @@ catch {
     Write-PipelineTelemetryError -Category 'Build' -Message "Failed to list GitHub App installations: $_. The signed JWT may be invalid or the App's Client ID ('$AppClientId') may be incorrect."
     exit 1
 }
-$installation = $installations | Where-Object { $_.account.login -ieq $InstallationOwner } | Select-Object -First 1
-if (-not $installation) {
+$matchingInstallations = @($installations | Where-Object { $_.account.login -ieq $InstallationOwner })
+if ($matchingInstallations.Count -eq 0) {
     $found = ($installations | ForEach-Object { $_.account.login }) -join ', '
     Write-PipelineTelemetryError -Category 'Build' -Message "No installation found for '$InstallationOwner'. App is installed on: $found"
     exit 1
 }
+if ($matchingInstallations.Count -ne 1) {
+    $matchingIds = ($matchingInstallations | ForEach-Object { $_.id }) -join ', '
+    Write-PipelineTelemetryError -Category 'Build' -Message "Found multiple installations for '$InstallationOwner': $matchingIds"
+    exit 1
+}
+$installation = $matchingInstallations[0]
+Write-Host "Using installation $($installation.id) for '$($installation.account.login)'."
 
 try {
     $tokenResponse = Invoke-RestMethod `

global.json

@@ -9,7 +9,7 @@
   },
   "msbuild-sdks": {
     "Microsoft.Build.NoTargets": "3.7.0",
-    "Microsoft.DotNet.Arcade.Sdk": "10.0.0-beta.26410.1",
+    "Microsoft.DotNet.Arcade.Sdk": "10.0.0-beta.26411.3",
     "Microsoft.VisualStudio.Internal.MicroBuild.Vsman": "2.0.174"
   }
 }