flake.lock: Update

Flake lock file updates:

• Updated input 'master':
    'github:NixOS/nixpkgs/67f803dcf82ebe958a53fcfa7c1edb276558c3f6?narHash=sha256-mZXm1ka9mKh5L9Cu3rDvSwu0SEclA4tRcINI2SrIl1I%3D' (2024-10-20)
  → 'github:NixOS/nixpkgs/dc7219111b49c665098e8898fbd6dd3f49913723?narHash=sha256-AHKtr5jOx4W19pB38VIm0i48HYJIaWwA3HFvzddkSQM%3D' (2024-10-21)
• Updated input 'nixos-generators':
    'github:nix-community/nixos-generators/dd28a0806e7124fe392c33c9ccaa12f21970401f?narHash=sha256-42AMGl%2Bdh4I2wGgICSeDI1mqYaDEJhwqquHJ1vA0QiQ%3D' (2024-10-17)
  → 'github:nix-community/nixos-generators/7c60ba4bc8d6aa2ba3e5b0f6ceb9fc07bc261565?narHash=sha256-s93LPHi5BN7I2xSGNAFWiYb8WRsPvT1LE9ZjZBrpFlg%3D' (2024-10-21)
• Updated input 'nixos-generators/nixlib':
    'github:nix-community/nixpkgs.lib/16340f605f4e8e5cf07fd74dcbe692eee2d4f51b?narHash=sha256-hUP9oxmnOmNnKcDOf5Y55HQ%2BNnoT0%2BbLWHLQWLLw9Ks%3D' (2024-10-13)
  → 'github:nix-community/nixpkgs.lib/cce4521b6df014e79a7b7afc58c703ed683c916e?narHash=sha256-hUP9oxmnOmNnKcDOf5Y55HQ%2BNnoT0%2BbLWHLQWLLw9Ks%3D' (2024-10-20)
• Updated input 'spicetify-nix':
    'github:Gerg-L/spicetify-nix/1a8fa34b656d67c1d7d4c2b76cba03bf4d65dee4?narHash=sha256-PKiCeeV0D8qBRVzlGlx3DE%2B/0WU8U8maMjB2rRJMBBA%3D' (2024-10-20)
  → 'github:Gerg-L/spicetify-nix/7dcfbba64faedd15574e6df5d89b2bcf5bb20128?narHash=sha256-VnLaP3OH9rP/%2B5ZuEsETSyyKtBif5l3mNL3YOxPhBVo%3D' (2024-10-21)