[release/8.0-staging] Update dependencies from dotnet/xharness (#134320)

This pull request updates the following dependencies

[marker]: <> (Begin:3c89df73-24a9-48a4-8224-08dbcfd3ad70)
## From https://github.com/dotnet/xharness
- **Subscription**:
[3c89df73-24a9-48a4-8224-08dbcfd3ad70](https://maestro.dot.net/subscriptions?search=3c89df73-24a9-48a4-8224-08dbcfd3ad70)
- **Build**:
[20260916.1](https://dev.azure.com/dnceng/internal/_build/results?buildId=3077616)
([332288](https://maestro.dot.net/channel/2/github:dotnet:xharness/build/332288))
- **Date Produced**: September 16, 2026 10:50:16 AM UTC
- **Commit**:
[22d42107bdcf6779c426171400a979c282bec7e4](dotnet/xharness@22d4210)
- **Branch**: [main](https://github.com/dotnet/xharness/tree/main)

[DependencyUpdate]: <> (Begin)

- **Dependency Updates**:
  - From [11.0.0-prerelease.26461.1 to 11.0.0-prerelease.26466.1][1]
     - Microsoft.DotNet.XHarness.CLI
     - Microsoft.DotNet.XHarness.TestRunners.Common
     - Microsoft.DotNet.XHarness.TestRunners.Xunit

[1]: dotnet/xharness@cf433ea...22d4210

[DependencyUpdate]: <> (End)


[marker]: <> (End:3c89df73-24a9-48a4-8224-08dbcfd3ad70)

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

Author: dotnet-maestro[bot]

.config/dotnet-tools.json

@@ -15,7 +15,7 @@
       ]
     },
     "microsoft.dotnet.xharness.cli": {
-      "version": "11.0.0-prerelease.26461.1",
+      "version": "11.0.0-prerelease.26466.1",
       "commands": [
         "xharness"
       ]

eng/Version.Details.xml

@@ -323,17 +323,17 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>edbd5c769a19798b6955050baccf99e6797d3208</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.XHarness.TestRunners.Common" Version="11.0.0-prerelease.26461.1">
+    <Dependency Name="Microsoft.DotNet.XHarness.TestRunners.Common" Version="11.0.0-prerelease.26466.1">
       <Uri>https://github.com/dotnet/xharness</Uri>
-      <Sha>cf433ea2eff13305b60c8871a03115b1dbb600f8</Sha>
+      <Sha>22d42107bdcf6779c426171400a979c282bec7e4</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.XHarness.TestRunners.Xunit" Version="11.0.0-prerelease.26461.1">
+    <Dependency Name="Microsoft.DotNet.XHarness.TestRunners.Xunit" Version="11.0.0-prerelease.26466.1">
       <Uri>https://github.com/dotnet/xharness</Uri>
-      <Sha>cf433ea2eff13305b60c8871a03115b1dbb600f8</Sha>
+      <Sha>22d42107bdcf6779c426171400a979c282bec7e4</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.XHarness.CLI" Version="11.0.0-prerelease.26461.1">
+    <Dependency Name="Microsoft.DotNet.XHarness.CLI" Version="11.0.0-prerelease.26466.1">
       <Uri>https://github.com/dotnet/xharness</Uri>
-      <Sha>cf433ea2eff13305b60c8871a03115b1dbb600f8</Sha>
+      <Sha>22d42107bdcf6779c426171400a979c282bec7e4</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.PackageTesting" Version="8.0.0-beta.26431.7">
       <Uri>https://github.com/dotnet/arcade</Uri>

eng/Versions.props

@@ -197,9 +197,9 @@
     <!-- Testing -->
     <MicrosoftNETCoreCoreDisToolsVersion>1.1.0</MicrosoftNETCoreCoreDisToolsVersion>
     <MicrosoftNETTestSdkVersion>17.4.0-preview-20220707-01</MicrosoftNETTestSdkVersion>
-    <MicrosoftDotNetXHarnessTestRunnersCommonVersion>11.0.0-prerelease.26461.1</MicrosoftDotNetXHarnessTestRunnersCommonVersion>
-    <MicrosoftDotNetXHarnessTestRunnersXunitVersion>11.0.0-prerelease.26461.1</MicrosoftDotNetXHarnessTestRunnersXunitVersion>
-    <MicrosoftDotNetXHarnessCLIVersion>11.0.0-prerelease.26461.1</MicrosoftDotNetXHarnessCLIVersion>
+    <MicrosoftDotNetXHarnessTestRunnersCommonVersion>11.0.0-prerelease.26466.1</MicrosoftDotNetXHarnessTestRunnersCommonVersion>
+    <MicrosoftDotNetXHarnessTestRunnersXunitVersion>11.0.0-prerelease.26466.1</MicrosoftDotNetXHarnessTestRunnersXunitVersion>
+    <MicrosoftDotNetXHarnessCLIVersion>11.0.0-prerelease.26466.1</MicrosoftDotNetXHarnessCLIVersion>
     <MicrosoftDotNetHotReloadUtilsGeneratorBuildToolVersion>8.0.0-alpha.0.26202.2</MicrosoftDotNetHotReloadUtilsGeneratorBuildToolVersion>
     <XUnitVersion>2.4.2</XUnitVersion>
     <XUnitAnalyzersVersion>1.0.0</XUnitAnalyzersVersion>