flake.lock: Update

Flake lock file updates:

• Updated input 'home-manager':
    'github:nix-community/home-manager/b885baa' (2026-07-04)
  → 'github:nix-community/home-manager/a1645f4' (2026-07-05)
• Updated input 'homebrew-cask':
    'github:homebrew/homebrew-cask/ea6cb24' (2026-07-05)
  → 'github:homebrew/homebrew-cask/3760b65' (2026-07-06)
• Updated input 'homebrew-core':
    'github:homebrew/homebrew-core/7bc0f28' (2026-07-05)
  → 'github:homebrew/homebrew-core/1887b1e' (2026-07-06)
• Updated input 'nix-index-database':
    'github:nix-community/nix-index-database/f8ed6cd' (2026-07-02)
  → 'github:nix-community/nix-index-database/fab14c7' (2026-07-05)
• Updated input 'nix-mineral':
    'github:cynicsketch/nix-mineral/e93e88f' (2026-07-04)
  → 'github:cynicsketch/nix-mineral/ead4574' (2026-07-05)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/6517942' (2026-07-02)
  → 'github:nixos/nixpkgs/d407951' (2026-07-05)
• Updated input 'nixvim':
    'github:nix-community/nixvim/a402fdf' (2026-07-04)
  → 'github:nix-community/nixvim/8a95c22' (2026-07-05)
• Updated input 'spicetify-nix':
    'github:Gerg-L/spicetify-nix/9cabea6' (2026-07-01)
  → 'github:Gerg-L/spicetify-nix/d9d7142' (2026-07-06)

Author: nix-update-flakes[bot]