flake.lock: Update

Flake lock file updates:

• Updated input 'crane':
    'github:ipetkov/crane/3330c0de31e8729bb5d01820e59ceb1640e128dc' (2023-12-16)
  → 'github:ipetkov/crane/6754d3a297f03590d2fb33fa39d97762ad3d4927' (2024-02-01)
• Updated input 'flake-utils':
    'github:numtide/flake-utils/4022d587cbbfd70fe950c1e2083a02621806a725' (2023-12-04)
  → 'github:numtide/flake-utils/1ef2e671c3b0c19053962c07dbda38332dcebf26' (2024-01-15)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/a9bf124c46ef298113270b1f84a164865987a91c' (2023-12-11)
  → 'github:nixos/nixpkgs/97b17f32362e475016f942bbdfda4a4a72a8a652' (2024-01-29)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/b2aafcee4a8842cecfc877ff7dd271f333dc0fa8' (2023-12-18)
  → 'github:oxalica/rust-overlay/2c993daf3136c6955fd13bfe215d0d4faf6090f1' (2024-01-31)