flake.lock: Update

Flake lock file updates:

• Updated input 'home-manager':
    'github:nix-community/home-manager/c53d643b3737e2fcd04e6cb3b3580ef50b2087a0' (2026-08-19)
  → 'github:nix-community/home-manager/99c9ec63390f1d8c14d95d9e8b17cc29cfbd4e11' (2026-08-27)
• Updated input 'nd':
    'github:dkuettel/nd/58f6e73942a4cb270c66cd1cfa4ec91d522f7a9f' (2026-08-07)
  → 'github:dkuettel/nd/2179c6938ca5a0809cbfe6fa88644185903a26f2' (2026-08-26)
• Updated input 'nihilistic-nvim':
    'github:iff/nihilistic-nvim/46e421edeaa86291a938883dd2fdc8e00003a7ad' (2026-08-18)
  → 'github:iff/nihilistic-nvim/1e7d119c455d7a8aed095b67a0250d82fcdd623f' (2026-08-24)
• Updated input 'nihilistic-nvim/nvim-lspconfig':
    'github:neovim/nvim-lspconfig/51dbf5359da86721662c87ca10eb73add973737b' (2026-08-13)
  → 'github:neovim/nvim-lspconfig/221c43884319e791519f0d6c94a7f2fbcd653278' (2026-08-21)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/391b592eb44808b3bd0cb80bb71b63a5a118b8bb' (2026-08-20)
  → 'github:nixos/nixpkgs/c27cdad491a991b11ed731760aa2ef8db0cb0410' (2026-08-27)
• Updated input 'zsh-syntax-highlighting':
    'github:zsh-users/zsh-syntax-highlighting/c4d95591843d49838b7ad30081e7aba3135a6703' (2026-08-07)
  → 'github:zsh-users/zsh-syntax-highlighting/2fc57d63067c18b1100ecdbf684fa5baf49459d1' (2026-08-22)

Author: github-actions[bot]