Update dependencies from https://github.com/dotnet/arcade build 20251205.4

On relative base path root
Microsoft.DotNet.Arcade.Sdk From Version 8.0.0-beta.25515.1 -> To Version 8.0.0-beta.25605.4

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -39,9 +39,9 @@
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="8.0.0-beta.25604.1">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="8.0.0-beta.25605.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>73fd0fca28e08b5228968c48260e771f65c6229b</Sha>
+      <Sha>f922da012fe84ec4bd6e78ed483de7d6b9f2f564</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>

eng/common/templates-official/job/source-index-stage1.yml

@@ -6,7 +6,7 @@ parameters:
   sourceIndexBuildCommand: powershell -NoLogo -NoProfile -ExecutionPolicy Bypass -Command "eng/common/build.ps1 -restore -build -binarylog -ci"
   preSteps: []
   binlogPath: artifacts/log/Debug/Build.binlog
-  condition: ''
+  condition: eq(variables['Build.SourceBranch'], 'refs/heads/main')
   dependsOn: ''
   pool: ''
 

global.json

@@ -4,7 +4,7 @@
   },
   "msbuild-sdks": {
     "Microsoft.Build.NoTargets": "3.7.0",
-    "Microsoft.DotNet.Arcade.Sdk": "8.0.0-beta.25604.1",
+    "Microsoft.DotNet.Arcade.Sdk": "8.0.0-beta.25605.4",
     "Microsoft.DotNet.Helix.Sdk": "9.0.0-beta.23552.3",
     "Microsoft.VisualStudio.Internal.MicroBuild.Vsman": "2.0.174"
   }