[release/9.0] Update dependencies from dotnet/extensions (#61986)

* Update dependencies from https://github.com/dotnet/extensions build 20250516.5

Microsoft.Extensions.Diagnostics.Testing , Microsoft.Extensions.TimeProvider.Testing
 From Version 9.6.0-preview.1.25260.2 -> To Version 9.6.0-preview.1.25266.5

* Update dependencies from https://github.com/dotnet/extensions build 20250521.2

Microsoft.Extensions.Diagnostics.Testing , Microsoft.Extensions.TimeProvider.Testing
 From Version 9.6.0-preview.1.25260.2 -> To Version 9.6.0-preview.1.25271.2

* Update dependencies from https://github.com/dotnet/extensions build 20250529.1

Microsoft.Extensions.Diagnostics.Testing , Microsoft.Extensions.TimeProvider.Testing
 From Version 9.6.0-preview.1.25260.2 -> To Version 9.6.0-preview.1.25279.1

---------

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

Author: dotnet-maestro[bot]

NuGet.config

@@ -4,10 +4,8 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-runtime -->
-    <add key="darc-int-dotnet-runtime-e36e4d1" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-runtime-e36e4d1a/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--  Begin: Package sources from dotnet-efcore -->
-    <add key="darc-int-dotnet-efcore-6765359" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-efcore-67653595/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-efcore -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
     <add key="dotnet-eng" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json" />
@@ -30,10 +28,8 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-efcore -->
-    <add key="darc-int-dotnet-efcore-6765359" value="true" />
     <!--  End: Package sources from dotnet-efcore -->
     <!--  Begin: Package sources from dotnet-runtime -->
-    <add key="darc-int-dotnet-runtime-e36e4d1" value="true" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
   </disabledPackageSources>

eng/Version.Details.xml

@@ -414,13 +414,13 @@
       <Uri>https://github.com/dotnet/arcade</Uri>
       <Sha>1cfa39f82d00b3659a3d367bc344241946e10681</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Extensions.Diagnostics.Testing" Version="9.6.0-preview.1.25260.2">
+    <Dependency Name="Microsoft.Extensions.Diagnostics.Testing" Version="9.6.0-preview.1.25279.1">
       <Uri>https://github.com/dotnet/extensions</Uri>
-      <Sha>90dd3fdbb6056d8ae177ab102b779e3922a88981</Sha>
+      <Sha>2ab21ec6d6fa7371f19d8485215d4c0c99f9c338</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Extensions.TimeProvider.Testing" Version="9.6.0-preview.1.25260.2">
+    <Dependency Name="Microsoft.Extensions.TimeProvider.Testing" Version="9.6.0-preview.1.25279.1">
       <Uri>https://github.com/dotnet/extensions</Uri>
-      <Sha>90dd3fdbb6056d8ae177ab102b779e3922a88981</Sha>
+      <Sha>2ab21ec6d6fa7371f19d8485215d4c0c99f9c338</Sha>
     </Dependency>
     <Dependency Name="NuGet.Frameworks" Version="6.2.4">
       <Uri>https://github.com/nuget/nuget.client</Uri>

eng/Versions.props

@@ -143,8 +143,8 @@
     <SystemIOHashingVersion>9.0.5</SystemIOHashingVersion>
     <SystemRuntimeCachingVersion>9.0.5</SystemRuntimeCachingVersion>
     <!-- Packages from dotnet/extensions -->
-    <MicrosoftExtensionsDiagnosticsTestingVersion>9.6.0-preview.1.25260.2</MicrosoftExtensionsDiagnosticsTestingVersion>
-    <MicrosoftExtensionsTimeProviderTestingVersion>9.6.0-preview.1.25260.2</MicrosoftExtensionsTimeProviderTestingVersion>
+    <MicrosoftExtensionsDiagnosticsTestingVersion>9.6.0-preview.1.25279.1</MicrosoftExtensionsDiagnosticsTestingVersion>
+    <MicrosoftExtensionsTimeProviderTestingVersion>9.6.0-preview.1.25279.1</MicrosoftExtensionsTimeProviderTestingVersion>
     <!-- Packages from dotnet/efcore -->
     <dotnetefVersion>9.0.5</dotnetefVersion>
     <MicrosoftEntityFrameworkCoreInMemoryVersion>9.0.5</MicrosoftEntityFrameworkCoreInMemoryVersion>