[Test failure] Active defrag failure to achieve defrag ratio with list

[madolson]

*** [err]: Active defrag big list: standalone in tests/unit/memefficiency.tcl Expected 1.99 < 1.1 (context: type eval line 89 cmd {assert {$frag < 1.1}} proc ::test)

https://github.com/valkey-io/valkey/actions/runs/11079314676/job/30788143655#step:8:6502 https://github.com/valkey-io/valkey/actions/runs/11004472200/job/30555463361#step:6:6478 https://github.com/valkey-io/valkey/actions/runs/10985498040/job/30497443840#step:6:6443 https://github.com/valkey-io/valkey/actions/runs/10976676636/job/30477689950#step:8:6518 https://github.com/valkey-io/valkey/actions/runs/10950803684/job/30406730303#step:8:6500