chore: update flake (#113)

Flake lock file updates:

• Updated input 'master':
    'github:NixOS/nixpkgs/fac16fbfae144461f41accc3455682e052e6ce49' (2023-10-28)
  → 'github:NixOS/nixpkgs/231e60ee5c1b1f1fcbec7f867e3f57731ccc661e' (2023-11-04)
• Updated input 'nixos-hardware':
    'github:NixOS/nixos-hardware/80d98a7d55c6e27954a166cb583a41325e9512d7' (2023-10-23)
  → 'github:NixOS/nixos-hardware/87f8403371fa74d9ad21ed677403cc235f37b96c' (2023-11-03)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/60b9db998f71ea49e1a9c41824d09aa274be1344' (2023-10-26)
  → 'github:NixOS/nixpkgs/621f51253edffa1d6f08d5fce4f08614c852d17e' (2023-11-02)
• Updated input 'nur':
    'github:nix-community/NUR/27de3cb55f8b03edf81243213d82225002697155' (2023-10-28)
  → 'github:nix-community/NUR/858daad74c9a62de7ac9350d3051a103b99c7b59' (2023-11-04)
• Updated input 'unstable':
    'github:NixOS/nixpkgs/63678e9f3d3afecfeafa0acead6239cdb447574c' (2023-10-26)
  → 'github:NixOS/nixpkgs/fa804edfb7869c9fb230e174182a8a1a7e512c40' (2023-11-02)

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