[release/8.0-staging] Update dependencies from dotnet/icu (#118537)

* Update dependencies from https://github.com/dotnet/icu build 20250611.1

Microsoft.NETCore.Runtime.ICU.Transport
 From Version 8.0.0-rtm.23523.2 -> To Version 8.0.0-rtm.25311.1

* Update dependencies from https://github.com/dotnet/icu build 20250808.1

Microsoft.NETCore.Runtime.ICU.Transport
 From Version 8.0.0-rtm.23523.2 -> To Version 8.0.0-rtm.25408.1

---------

Co-authored-by: dotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>
Co-authored-by: Alexander Köplinger <alex.koeplinger@outlook.com>

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -1,8 +1,8 @@
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.NETCore.Runtime.ICU.Transport" Version="8.0.0-rtm.23523.2">
+    <Dependency Name="Microsoft.NETCore.Runtime.ICU.Transport" Version="8.0.0-rtm.25408.1">
       <Uri>https://github.com/dotnet/icu</Uri>
-      <Sha>e76010c828e5913da4b6a5332f4d8b14f660dd88</Sha>
+      <Sha>9392a78454c1978e7b19c50d85e85c57550399e1</Sha>
     </Dependency>
     <Dependency Name="System.Net.MsQuic.Transport" Version="8.0.0-alpha.1.23527.1">
       <Uri>https://github.com/dotnet/msquic</Uri>

eng/Versions.props

@@ -229,7 +229,7 @@
     <!-- ILCompiler -->
     <MicrosoftDotNetILCompilerVersion>8.0.0-rc.1.23406.6</MicrosoftDotNetILCompilerVersion>
     <!-- ICU -->
-    <MicrosoftNETCoreRuntimeICUTransportVersion>8.0.0-rtm.23523.2</MicrosoftNETCoreRuntimeICUTransportVersion>
+    <MicrosoftNETCoreRuntimeICUTransportVersion>8.0.0-rtm.25408.1</MicrosoftNETCoreRuntimeICUTransportVersion>
     <!-- MsQuic -->
     <MicrosoftNativeQuicMsQuicSchannelVersion>2.4.8</MicrosoftNativeQuicMsQuicSchannelVersion>
     <SystemNetMsQuicTransportVersion>8.0.0-alpha.1.23527.1</SystemNetMsQuicTransportVersion>