chore(flake): update lock (#129)

Flake lock file updates:

• Updated input 'master':
    'github:NixOS/nixpkgs/6b5a8f6dcba3b74c027168711ce02c680779ed36' (2024-02-16)
  → 'github:NixOS/nixpkgs/7794d8a78570335f10b0f97ae72b14b33c6addc2' (2024-02-24)
• Updated input 'nixos-hardware':
    'github:NixOS/nixos-hardware/106d3fec43bcea19cb2e061ca02531d54b542ce3' (2024-02-16)
  → 'github:NixOS/nixos-hardware/3f7d0bca003eac1a1a7f4659bbab9c8f8c2a0958' (2024-02-22)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/c68a9fc85c2cb3a313be6ff40511635544dde8da' (2024-02-15)
  → 'github:NixOS/nixpkgs/c5101e457206dd437330d283d6626944e28794b3' (2024-02-23)
• Updated input 'nur':
    'github:nix-community/NUR/31ba97e37ec8c14f8ec2f2baea1a31f0c9abfb3f' (2024-02-16)
  → 'github:nix-community/NUR/192aa9b134f867b6811ecd0444e994ef941648db' (2024-02-24)
• Updated input 'unstable':
    'github:NixOS/nixpkgs/a4d4fe8c5002202493e87ec8dbc91335ff55552c' (2024-02-15)
  → 'github:NixOS/nixpkgs/cbc4211f0afffe6dfd2478a62615dd5175a13f9a' (2024-02-23)

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