[main] Update dependencies from dotnet/arcade (#2700)

* Update dependencies from https://github.com/dotnet/arcade build 20251003.3
On relative base path root
Microsoft.DotNet.Arcade.Sdk From Version 9.0.0-beta.25475.3 -> To Version 9.0.0-beta.25503.3

* Update dependencies from https://github.com/dotnet/arcade build 20251015.2
On relative base path root
Microsoft.DotNet.Arcade.Sdk From Version 9.0.0-beta.25475.3 -> To Version 9.0.0-beta.25515.2

---------

Co-authored-by: dotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>

Author: dotnet-maestro[bot]

eng/Version.Details.props

@@ -6,7 +6,7 @@ This file should be imported by eng/Versions.props
 <Project>
   <PropertyGroup>
     <!-- dotnet/arcade dependencies -->
-    <MicrosoftDotNetArcadeSdkPackageVersion>9.0.0-beta.25475.3</MicrosoftDotNetArcadeSdkPackageVersion>
+    <MicrosoftDotNetArcadeSdkPackageVersion>9.0.0-beta.25515.2</MicrosoftDotNetArcadeSdkPackageVersion>
   </PropertyGroup>
   <!--Property group for alternate package version names-->
   <PropertyGroup>

eng/Version.Details.xml

@@ -4,9 +4,9 @@
   <ProductDependencies>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="9.0.0-beta.25475.3">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="9.0.0-beta.25515.2">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>6404baed798af89accd98219614e6c90c153cd8c</Sha>
+      <Sha>6666973b629b24e259162dba03486c23af464bab</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>

eng/common/post-build/nuget-verification.ps1

@@ -30,7 +30,7 @@
 [CmdletBinding(PositionalBinding = $false)]
 param(
    [string]$NuGetExePath,
-   [string]$PackageSource = "https://api.nuget.org/v3/index.json",
+   [string]$PackageSource = "https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-public/nuget/v3/index.json",
    [string]$DownloadPath,
    [Parameter(ValueFromRemainingArguments = $true)]
    [string[]]$args

global.json

@@ -13,6 +13,6 @@
     }
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "9.0.0-beta.25475.3"
+    "Microsoft.DotNet.Arcade.Sdk": "9.0.0-beta.25515.2"
   }
 }