flake.lock: Update

Flake lock file updates:

• Updated input 'flake-utils':
    'github:numtide/flake-utils/ff7b65b44d01cf9ba6a71320833626af21126384' (2023-09-12)
  → 'github:numtide/flake-utils/b1d9ab70662946ef0850d488da1c9019f3a9752a' (2024-03-11)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/85f1ba3e51676fa8cc604a3d863d729026a6b8eb' (2023-11-04)
  → 'github:NixOS/nixpkgs/63c3a29ca82437c87573e4c6919b09a24ea61b0f' (2024-05-02)
• Updated input 'poetry2nix':
    'github:nix-community/poetry2nix/bf0601d5d9ae7334fa80f5f7c9648009390046ca' (2023-11-07)
  → 'github:nix-community/poetry2nix/5cb89d3dfb83ef4814eba44f389f15ec67531f62' (2024-05-03)
• Updated input 'poetry2nix/flake-utils':
    'github:numtide/flake-utils/ff7b65b44d01cf9ba6a71320833626af21126384' (2023-09-12)
  → 'github:numtide/flake-utils/b1d9ab70662946ef0850d488da1c9019f3a9752a' (2024-03-11)
• Updated input 'poetry2nix/nix-github-actions':
    'github:nix-community/nix-github-actions/4bb5e752616262457bc7ca5882192a564c0472d2' (2023-11-03)
  → 'github:nix-community/nix-github-actions/5163432afc817cf8bd1f031418d1869e4c9d5547' (2023-12-29)
• Updated input 'poetry2nix/treefmt-nix':
    'github:numtide/treefmt-nix/5deb8dc125a9f83b65ca86cf0c8167c46593e0b1' (2023-10-27)
  → 'github:numtide/treefmt-nix/c6aaf729f34a36c445618580a9f95a48f5e4e03f' (2024-04-25)