Flaky test: Aspire.Hosting.Tests.SlimTestProgramTests.TestPortOnEndpointAnnotationAndAllocatedEndpointAnnotationMatchForReplicatedServices

## Build Information
Build: https://github.com/dotnet/aspire/actions/runs/15334118323
Build error leg or test failing: Aspire.Hosting.Tests.SlimTestProgramTests.TestPortOnEndpointAnnotationAndAllocatedEndpointAnnotationMatchForReplicatedServices
Pull request:

## Error Message

Fill the error message using [step by step known issues guidance](https://github.com/dotnet/arcade/blob/main/Documentation/Projects/Build%20Analysis/KnownIssueJsonStepByStep.md).

```json
{
"ErrorMessage": "",
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
```

```
Collection fixture type 'Aspire.Hosting.Tests.SlimTestProgramFixture' threw in InitializeAsync
---- System.Threading.Tasks.TaskCanceledException : A task was canceled.
----- Inner Stack Trace -----
at Aspire.Hosting.Tests.SlimTestProgramFixture.WaitReadyStateAsync(CancellationToken cancellationToken) in /_/tests/Aspire.Hosting.Tests/TestProgramFixture.cs:line 68
at Aspire.Hosting.Tests.TestProgramFixture.InitializeAsync() in /_/tests/Aspire.Hosting.Tests/TestProgramFixture.cs:line 37
```

📊 **[View CI Failure Report](https://github.com/microsoft/aspire/issues/9673#issuecomment-4174837615)**