fix(deps): bump ratatui 0.29 -> 0.30 to resolve lru < 0.16.3 advisory

ratatui 0.29 pulled lru 0.12.5 transitively. ratatui 0.30 uses
lru 0.16.3 which includes the security fix. Updated lock files for
rust-cli, elixir NIF, and fuzz directories.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: hyperpolymath