chore(flake): update dev/flake.lock (#356)

Flake lock file updates:

• Updated input 'home-manager':
    'github:nix-community/home-manager/cd886711998fe5d9ff7979fdd4b4cbd17b1f1511' (2024-06-22)
  → 'github:nix-community/home-manager/7e68e55d2e16d3a1e92a679430728c35a30fd24e' (2024-06-28)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/d603719ec6e294f034936c0d0dc06f689d91b6c3' (2024-06-20)
  → 'github:nixos/nixpkgs/2893f56de08021cffd9b6b6dfc70fd9ccd51eb60' (2024-06-24)

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