Update zlob to 1.3.4

[dmtrKovalenko]

@gustav-fff do it

[gustav-fff]

[triage-bot] LINKED PR: #536 (open) — #536

Bumps zlob from 1.3.3 to 1.3.4 in Cargo.toml, lockfile refreshed via cargo update -p zlob --precise 1.3.4. Verified with make build and cargo test.

Honk-Honk 🪿