bump nixpkgs version

amazon-ssm-agent: 3.3.808.0 → 3.3.859.0
nix: 2.18.5 → 2.18.8
nixos-system-monitoring: 24.05.5197.944b2aea7f0a → 24.05.5366.fbca5e745367
nixos-system-payments: 24.05.5197.944b2aea7f0a → 24.05.5366.fbca5e745367
nixos-system-storage001: 24.05.5197.944b2aea7f0a → 24.05.5366.fbca5e745367
nixos-system-storage002: 24.05.5197.944b2aea7f0a → 24.05.5366.fbca5e745367
nixos-system-storage003: 24.05.5197.944b2aea7f0a → 24.05.5366.fbca5e745367
nixos-system-storage004: 24.05.5197.944b2aea7f0a → 24.05.5366.fbca5e745367
nixos-system-storage005: 24.05.5197.944b2aea7f0a → 24.05.5366.fbca5e745367
nixos-system-storage1: 24.05.5197.944b2aea7f0a → 24.05.5366.fbca5e745367
nixos-system-storage2: 24.05.5197.944b2aea7f0a → 24.05.5366.fbca5e745367