ci: LargeAggregateLeakTest is flaky

[adsharma]

https://github.com/LadybugDB/ladybug/actions/runs/23691085207/job/69018677897

shows

Test #1805: e2e_test_agg~hash_leak.LargeAggregateLeakTest

started, but never passed.

When this happens, the CI hangs for 5 hours.