[release/9.0-staging] Update dependencies from dotnet/icu (#120834)

This pull request updates the following dependencies

[marker]: <> (Begin:5e3f9b88-faad-436c-a580-ac009d20bb33)
## From https://github.com/dotnet/icu
- **Subscription**:
[5e3f9b88-faad-436c-a580-ac009d20bb33](https://maestro.dot.net/subscriptions?search=5e3f9b88-faad-436c-a580-ac009d20bb33)
- **Build**:
[20251030.1](https://dev.azure.com/dnceng/internal/_build/results?buildId=2827690)
([289015](https://maestro.dot.net/channel/3883/github:dotnet:icu/build/289015))
- **Date Produced**: October 30, 2025 10:58:07 AM UTC
- **Commit**:
[76f42e5d2c84cb2358793ef33826bc65140ee3fb](dotnet/icu@76f42e5)
- **Branch**:
[dotnet/release/9.0](https://github.com/dotnet/icu/tree/dotnet/release/9.0)

[DependencyUpdate]: <> (Begin)

- **Updates**:
  - From [9.0.0-rtm.25511.1 to 9.0.0-rtm.25530.1][7]
     - Microsoft.NETCore.Runtime.ICU.Transport

[7]: dotnet/icu@9277e62...76f42e5

[DependencyUpdate]: <> (End)


[marker]: <> (End:5e3f9b88-faad-436c-a580-ac009d20bb33)

---------

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

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -1,8 +1,8 @@
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.NETCore.Runtime.ICU.Transport" Version="9.0.0-rtm.25511.1">
+    <Dependency Name="Microsoft.NETCore.Runtime.ICU.Transport" Version="9.0.0-rtm.25530.1">
       <Uri>https://github.com/dotnet/icu</Uri>
-      <Sha>9277e623813e1f9c8cc21b5d3e59d606a8f024de</Sha>
+      <Sha>76f42e5d2c84cb2358793ef33826bc65140ee3fb</Sha>
     </Dependency>
     <Dependency Name="System.Net.MsQuic.Transport" Version="9.0.0-alpha.1.24167.3">
       <Uri>https://github.com/dotnet/msquic</Uri>

eng/Versions.props

@@ -227,7 +227,7 @@
     <!-- ILCompiler -->
     <MicrosoftDotNetILCompilerVersion>9.0.0-rtm.24511.16</MicrosoftDotNetILCompilerVersion>
     <!-- ICU -->
-    <MicrosoftNETCoreRuntimeICUTransportVersion>9.0.0-rtm.25511.1</MicrosoftNETCoreRuntimeICUTransportVersion>
+    <MicrosoftNETCoreRuntimeICUTransportVersion>9.0.0-rtm.25530.1</MicrosoftNETCoreRuntimeICUTransportVersion>
     <MicrosoftNETCoreRuntimeICUTransportVersion>9.0.0-rtm.24466.4</MicrosoftNETCoreRuntimeICUTransportVersion>
     <!-- MsQuic -->
     <MicrosoftNativeQuicMsQuicSchannelVersion>2.4.8</MicrosoftNativeQuicMsQuicSchannelVersion>