Backport of [QT-525] and [QT-530] into release/1.11.x#20160

Merged

ryancragun merged 2 commits intorelease/1.11.xfrom backport/qt-525/highly-settling-pangolin

Apr 23, 2023

+2,214-515

Commits on Apr 23, 2023

[QT-525] enos: use spot instances for Vault targets (#20037 )
ryancragun
committed
[QT-530] enos: allow-list all public IP addresses (#20304 )
ryancragun
committed