[main] Update dependencies from dotnet/xharness (#37764)

This pull request updates the following dependencies

[marker]: <> (Begin:a71c12d9-5aa4-4b46-e2d6-08da0cf8cd95)
## From https://github.com/dotnet/xharness
- **Subscription**:
[a71c12d9-5aa4-4b46-e2d6-08da0cf8cd95](https://maestro.dot.net/subscriptions?search=a71c12d9-5aa4-4b46-e2d6-08da0cf8cd95)
- **Build**:
[20260819.1](https://dev.azure.com/dnceng/internal/_build/results?buildId=3051693)
([327705](https://maestro.dot.net/channel/2/github:dotnet:xharness/build/327705))
- **Date Produced**: August 19, 2026 8:47:15 AM UTC
- **Commit**:
[8dd9b8e6004e22c7b120af0631f0809865ff2088](dotnet/xharness@8dd9b8e)
- **Branch**: [main](https://github.com/dotnet/xharness/tree/main)

[DependencyUpdate]: <> (Begin)

- **Dependency Updates**:
  - From [11.0.0-prerelease.26230.4 to 11.0.0-prerelease.26419.1][1]
     - Microsoft.DotNet.XHarness.CLI
     - Microsoft.DotNet.XHarness.TestRunners.Common
     - Microsoft.DotNet.XHarness.TestRunners.Xunit

[1]: dotnet/xharness@92962e5...8dd9b8e

[DependencyUpdate]: <> (End)


[marker]: <> (End:a71c12d9-5aa4-4b46-e2d6-08da0cf8cd95)

---------

Co-authored-by: dotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>
Co-authored-by: GitHub Actions <github-actions@xamarin.com>
Co-authored-by: Jakub Florkowski <42434498+kubaflo@users.noreply.github.com>

Author: 3 people

.config/dotnet-tools.json

@@ -24,7 +24,7 @@
       "rollForward": false
     },
     "microsoft.dotnet.xharness.cli": {
-      "version": "11.0.0-prerelease.26230.4",
+      "version": "11.0.0-prerelease.26419.1",
       "commands": [
         "xharness"
       ],

eng/Version.Details.xml

@@ -158,17 +158,17 @@
       <Uri>https://github.com/dotnet/dotnet</Uri>
       <Sha>7b29526f2107416f68578bcb9deaca74fcfcf7f0</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.XHarness.TestRunners.Common" Version="11.0.0-prerelease.26230.4">
+    <Dependency Name="Microsoft.DotNet.XHarness.TestRunners.Common" Version="11.0.0-prerelease.26419.1">
       <Uri>https://github.com/dotnet/xharness</Uri>
-      <Sha>92962e5c46ac08a66ded4c5696209cc60f1a232f</Sha>
+      <Sha>8dd9b8e6004e22c7b120af0631f0809865ff2088</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.XHarness.TestRunners.Xunit" Version="11.0.0-prerelease.26230.4">
+    <Dependency Name="Microsoft.DotNet.XHarness.TestRunners.Xunit" Version="11.0.0-prerelease.26419.1">
       <Uri>https://github.com/dotnet/xharness</Uri>
-      <Sha>92962e5c46ac08a66ded4c5696209cc60f1a232f</Sha>
+      <Sha>8dd9b8e6004e22c7b120af0631f0809865ff2088</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.XHarness.CLI" Version="11.0.0-prerelease.26230.4">
+    <Dependency Name="Microsoft.DotNet.XHarness.CLI" Version="11.0.0-prerelease.26419.1">
       <Uri>https://github.com/dotnet/xharness</Uri>
-      <Sha>92962e5c46ac08a66ded4c5696209cc60f1a232f</Sha>
+      <Sha>8dd9b8e6004e22c7b120af0631f0809865ff2088</Sha>
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>

eng/Versions.props

@@ -128,9 +128,9 @@
     <_HarfBuzzSharpVersion>8.3.0.1</_HarfBuzzSharpVersion>
     <_SkiaSharpNativeAssetsVersion>0.0.0-commit.e57e2a11dac4ccc72bea52939dede49816842005.1728</_SkiaSharpNativeAssetsVersion>
     <MicrosoftTemplateEngineTasksVersion>7.0.120</MicrosoftTemplateEngineTasksVersion>
-    <MicrosoftDotNetXHarnessTestRunnersCommonVersion>11.0.0-prerelease.26230.4</MicrosoftDotNetXHarnessTestRunnersCommonVersion>
-    <MicrosoftDotNetXHarnessTestRunnersXunitVersion>11.0.0-prerelease.26230.4</MicrosoftDotNetXHarnessTestRunnersXunitVersion>
-    <MicrosoftDotNetXHarnessCLIVersion>11.0.0-prerelease.26230.4</MicrosoftDotNetXHarnessCLIVersion>
+    <MicrosoftDotNetXHarnessTestRunnersCommonVersion>11.0.0-prerelease.26419.1</MicrosoftDotNetXHarnessTestRunnersCommonVersion>
+    <MicrosoftDotNetXHarnessTestRunnersXunitVersion>11.0.0-prerelease.26419.1</MicrosoftDotNetXHarnessTestRunnersXunitVersion>
+    <MicrosoftDotNetXHarnessCLIVersion>11.0.0-prerelease.26419.1</MicrosoftDotNetXHarnessCLIVersion>
     <TizenUIExtensionsVersion>0.9.2</TizenUIExtensionsVersion>
     <SvgSkiaPackageVersion>2.0.0.4</SvgSkiaPackageVersion>
     <FizzlerPackageVersion>1.3.0</FizzlerPackageVersion>

global.json

@@ -1,6 +1,6 @@
 {
   "tools": {
-    "dotnet": "10.0.111"
+    "dotnet": "10.0.100-rtm.25523.113"
   },
   "sdk": {
     "paths": [