flake.lock: Update

Flake lock file updates:

• Updated input 'catppuccin':
    'github:catppuccin/nix/28731a3' (2026-07-08)
  → 'github:catppuccin/nix/b69e049' (2026-07-09)
• Updated input 'home-manager':
    'github:nix-community/home-manager/f4d01c1' (2026-07-08)
  → 'github:nix-community/home-manager/144f4e3' (2026-07-09)
• Updated input 'homebrew-cask':
    'github:homebrew/homebrew-cask/dfa30e0' (2026-07-09)
  → 'github:homebrew/homebrew-cask/db42413' (2026-07-10)
• Updated input 'homebrew-core':
    'github:homebrew/homebrew-core/2f2506f' (2026-07-09)
  → 'github:homebrew/homebrew-core/f28fa53' (2026-07-10)
• Updated input 'nix-mineral':
    'github:cynicsketch/nix-mineral/0b9fbe9' (2026-07-08)
  → 'github:cynicsketch/nix-mineral/16c219c' (2026-07-09)
• Updated input 'nixos-hardware':
    'github:NixOS/nixos-hardware/662bd6e' (2026-07-06)
  → 'github:NixOS/nixos-hardware/968980f' (2026-07-09)
• Updated input 'nixvim':
    'github:nix-community/nixvim/6d1424c' (2026-07-08)
  → 'github:nix-community/nixvim/ebffdb6' (2026-07-10)

Author: nix-update-flakes[bot]