Update dependencies from https://github.com/dotnet/arcade-services build 20250507.6

Microsoft.DotNet.Darc , Microsoft.DotNet.DarcLib
 From Version 1.1.0-beta.25256.6 -> To Version 1.1.0-beta.25257.6

Author: dotnet-maestro[bot]

.config/dotnet-tools.json

@@ -3,7 +3,7 @@
   "isRoot": true,
   "tools": {
     "microsoft.dotnet.darc": {
-      "version": "1.1.0-beta.25256.6",
+      "version": "1.1.0-beta.25257.6",
       "commands": [
         "darc"
       ]

eng/Version.Details.xml

@@ -571,13 +571,13 @@
       <Uri>https://github.com/dotnet/dotnet</Uri>
       <Sha>025e4e597746eafc5a736195b66aeb321455d64c</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Darc" Version="1.1.0-beta.25256.6">
+    <Dependency Name="Microsoft.DotNet.Darc" Version="1.1.0-beta.25257.6">
       <Uri>https://github.com/dotnet/arcade-services</Uri>
-      <Sha>fcf0baeb9369b4a0f3826c441a25161328cab6a8</Sha>
+      <Sha>83dd68a5d7d5ccaed7e821cfc7e3c08e10cc3d8d</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.DarcLib" Version="1.1.0-beta.25256.6">
+    <Dependency Name="Microsoft.DotNet.DarcLib" Version="1.1.0-beta.25257.6">
       <Uri>https://github.com/dotnet/arcade-services</Uri>
-      <Sha>fcf0baeb9369b4a0f3826c441a25161328cab6a8</Sha>
+      <Sha>83dd68a5d7d5ccaed7e821cfc7e3c08e10cc3d8d</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Testing.Platform" Version="1.8.0-preview.25256.3">
       <Uri>https://github.com/microsoft/testfx</Uri>

eng/Versions.props

@@ -89,7 +89,7 @@
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependency from https://github.com/dotnet/arcade-services -->
-    <MicrosoftDotNetDarcLibVersion>1.1.0-beta.25256.6</MicrosoftDotNetDarcLibVersion>
+    <MicrosoftDotNetDarcLibVersion>1.1.0-beta.25257.6</MicrosoftDotNetDarcLibVersion>
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependency from https://github.com/dotnet/aspire -->