SystemInfoResponse.SystemStatus is null, RetryAction in DockerContainerManager crashes

[sergichamila]

Describe the bug
SystemInfoResponse.SystemStatus is null, the RetryAction may crash.

Quick test project

Originally caught in Azure Devops pipeline:

11:33:11 [DBG]   Error Message:
11:33:11 [DBG]    Squadron.ContainerException : Error in StartContainer: squa_postgres_638542135903701024_16d6cd45d8ba73273cc959348c
11:33:11 [DBG] ---- System.ArgumentNullException : Value cannot be null. (Parameter 'values')
11:33:11 [DBG]   Stack Trace:
11:33:11 [DBG]      at Squadron.DockerContainerManager.StartContainerAsync()
11:33:11 [DBG]    at Squadron.DockerContainerManager.CreateAndStartContainerAsync()
11:33:11 [DBG]    at Squadron.ContainerResource`1.InitializeAsync()
11:33:11 [DBG]    at Squadron.PostgreSqlResource`1.InitializeAsync()
11:33:11 [DBG] --- End of stack trace from previous location ---
11:33:11 [DBG] ----- Inner Stack Trace -----
11:33:11 [DBG]    at System.String.JoinCore[T](ReadOnlySpan`1 separator, IEnumerable`1 values)
11:33:11 [DBG]    at System.String.Join[T](String separator, IEnumerable`1 values)
11:33:11 [DBG]    at Squadron.DockerContainerManager.RetryAction(Exception exception, TimeSpan t, Int32 retryCount, Context c)
11:33:11 [DBG]    at Polly.Retry.AsyncRetryEngine.ImplementationAsync[TResult](Func`3 action, Context context, CancellationToken cancellationToken, ExceptionPredicates shouldRetryExceptionPredicates, ResultPredicates`1 shouldRetryResultPredicates, Func`5 onRetryAsync, Int32 permittedRetryCount, IEnumerable`1 sleepDurationsEnumerable, Func`4 sleepDurationProvider, Boolean continueOnCapturedContext)
11:33:11 [DBG]    at Polly.AsyncPolicy.ExecuteAsync(Func`3 action, Context context, CancellationToken cancellationToken, Boolean continueOnCapturedContext)
11:33:11 [DBG]    at Squadron.DockerContainerManager.StartContainerAsync()

Additional context