sanitizers crash on tiered storage test

[kostasrim]

see https://github.com/dragonflydb/dragonfly/actions/runs/8732223154/job/23958880275#step:8:907

In particular:

45: [ RUN      ] TieredStorageV2Test.SimpleStash
45: F20240418 04:43:25.829988 23609 scheduler.cc:201] Check failed: FiberActive() != dispatch_cntx_.get() Should not preempt dispatcher
45: *** SIGSEGV received at time=1713415405 on cpu 0 ***
45: PC: @     0xffff87ae1fa8  (unknown)  (unknown)
45:     @     0xaaaae54ccc60        672  absl::lts_20230802::WriteFailureInfo()
45:     @     0xaaaae54cd2d0        192  absl::lts_20230802::AbslFailureSignalHandler()
45:     @     0xffff8866b8bc       4944  (unknown)
24/53 Test #45: tiered_storage_test ..............***Exception: SegFault  4.02 sec