[CI] CLUSTER_TEST kmeans flaky

[aamijar]

Observing a flaky test failure:
https://github.com/rapidsai/cuvs/actions/runs/25956131520/job/76302995776#step:12:1083

https://github.com/rapidsai/cuvs/actions/runs/25984850719/job/76380196382#step:12:1060

[aamijar]

I was able to reproduce this failure with the following

Environment

RTX6000 pro
CUDA 13.2

Steps

./CLUSTER_TEST --gtest_filter='KmeansFitBatchedTests/KmeansFitBatchedTestF.Result/4' --gtest_repeat=50 --gtest_break_on_failure