flake.lock: Update (#19)

Flake lock file updates:

• Updated input 'crane':
    'github:ipetkov/crane/220387ac8e99cbee0ca4c95b621c4bc782b6a235' (2024-04-09)
  → 'github:ipetkov/crane/3124551aebd8db15d4560716d4f903bd44c64e4a' (2024-05-01)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/1042fd8b148a9105f3c0aca3a6177fd1d9360ba5' (2024-04-10)
  → 'github:NixOS/nixpkgs/58a1abdbae3217ca6b702f03d3b35125d88a2994' (2024-04-27)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/5990088d56f0b936fa2633c2a4d76b8d36a01105' (2024-04-14)
  → 'github:oxalica/rust-overlay/9ca720fdcf7865385ae3b93ecdf65f1a64cb475e' (2024-05-01)

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