Update dependencies from https://github.com/dotnet/arcade-services build 20250731.4

Microsoft.DotNet.Darc , Microsoft.DotNet.DarcLib
 From Version 1.1.0-beta.25379.3 -> To Version 1.1.0-beta.25381.4

Author: dotnet-maestro[bot]

.config/dotnet-tools.json

@@ -3,7 +3,7 @@
   "isRoot": true,
   "tools": {
     "microsoft.dotnet.darc": {
-      "version": "1.1.0-beta.25379.3",
+      "version": "1.1.0-beta.25381.4",
       "commands": [
         "darc"
       ]

eng/Version.Details.xml

@@ -553,13 +553,13 @@
       <Uri>https://github.com/dotnet/dotnet</Uri>
       <Sha>6a953e76162f3f079405f80e28664fa51b136740</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Darc" Version="1.1.0-beta.25379.3">
+    <Dependency Name="Microsoft.DotNet.Darc" Version="1.1.0-beta.25381.4">
       <Uri>https://github.com/dotnet/arcade-services</Uri>
-      <Sha>a85dd96e684db2ed4a224d1aeda065a4faea2eff</Sha>
+      <Sha>8309398221b4ec41d54a41285343d82e1ca7d069</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.DarcLib" Version="1.1.0-beta.25379.3">
+    <Dependency Name="Microsoft.DotNet.DarcLib" Version="1.1.0-beta.25381.4">
       <Uri>https://github.com/dotnet/arcade-services</Uri>
-      <Sha>a85dd96e684db2ed4a224d1aeda065a4faea2eff</Sha>
+      <Sha>8309398221b4ec41d54a41285343d82e1ca7d069</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Testing.Platform" Version="1.9.0-preview.25380.15">
       <Uri>https://github.com/microsoft/testfx</Uri>

eng/Versions.props

@@ -91,7 +91,7 @@
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependency from https://github.com/dotnet/arcade-services -->
-    <MicrosoftDotNetDarcLibVersion>1.1.0-beta.25379.3</MicrosoftDotNetDarcLibVersion>
+    <MicrosoftDotNetDarcLibVersion>1.1.0-beta.25381.4</MicrosoftDotNetDarcLibVersion>
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependency from https://github.com/dotnet/aspire -->