flake.lock: Update (raphamorim#435)

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/bbe7d8f876fbbe7c959c90ba2ae2852220573261' (2024-01-19)
  → 'github:NixOS/nixpkgs/ae5c332cbb5827f6b1f02572496b141021de335f' (2024-01-25)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/612b6a974cb921fe7aa4cafd54f4f5f899b19173' (2024-01-20)
  → 'github:oxalica/rust-overlay/3a57c4e29cb2beb777b2e6ae7309a680585b8b2f' (2024-01-26)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>