flake.lock: Update (#15)

Flake lock file updates:

• Updated input 'darwin':
    'github:LnL7/nix-darwin/44f50a5ecaab72a61d5fd8e5c5717bc4bf9c25dd' (2024-02-12)
  → 'github:LnL7/nix-darwin/0e6857fa1d632637488666c08e7b02c08e3178f8' (2024-02-18)
• Updated input 'home-manager-unstable':
    'github:nix-community/home-manager/21b078306a2ab68748abf72650db313d646cf2ca' (2024-02-11)
  → 'github:nix-community/home-manager/3d6791b3897b526c82920a2ab5f61d71985b3cf8' (2024-02-15)
• Updated input 'nixos-hardware':
    'github:nixos/nixos-hardware/2b68ccd7475362b8c8d6a1805b403033ba6273a8' (2024-02-13)
  → 'github:nixos/nixos-hardware/106d3fec43bcea19cb2e061ca02531d54b542ce3' (2024-02-16)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/809cca784b9f72a5ad4b991e0e7bcf8890f9c3a6' (2024-02-11)
  → 'github:nixos/nixpkgs/84d981bae8b5e783b3b548de505b22880559515f' (2024-02-17)
• Updated input 'nixpkgs-unstable':
    'github:nixos/nixpkgs/f9d39fb9aff0efee4a3d5f4a6d7c17701d38a1d8' (2024-02-11)
  → 'github:nixos/nixpkgs/5863c27340ba4de8f83e7e3c023b9599c3cb3c80' (2024-02-16)
• Updated input 'nur':
    'github:nix-community/NUR/be990e92c190dc8390897b98c1dfc13274a5321d' (2024-02-13)
  → 'github:nix-community/NUR/6dde857e083df1fa28dc7264eab681456fa68430' (2024-02-18)

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