flake.lock: Update

Flake lock file updates:

• Updated input 'home-manager':
    'github:nix-community/home-manager/b2e4390' (2026-07-03)
  → 'github:nix-community/home-manager/b885baa' (2026-07-04)
• Updated input 'homebrew-cask':
    'github:homebrew/homebrew-cask/3c1d63d' (2026-07-04)
  → 'github:homebrew/homebrew-cask/ea6cb24' (2026-07-05)
• Updated input 'homebrew-core':
    'github:homebrew/homebrew-core/5f767d4' (2026-07-03)
  → 'github:homebrew/homebrew-core/7bc0f28' (2026-07-05)
• Updated input 'lanzaboote':
    'github:nix-community/lanzaboote/6650fb7' (2026-06-22)
  → 'github:nix-community/lanzaboote/0368b35' (2026-07-04)
• Updated input 'lanzaboote/rust-overlay':
    'github:oxalica/rust-overlay/8534567' (2026-06-21)
  → 'github:oxalica/rust-overlay/fe5aee0' (2026-07-04)
• Updated input 'nix-mineral':
    'github:cynicsketch/nix-mineral/827dc04' (2026-07-03)
  → 'github:cynicsketch/nix-mineral/e93e88f' (2026-07-04)
• Updated input 'nixvim':
    'github:nix-community/nixvim/f138b5b' (2026-07-03)
  → 'github:nix-community/nixvim/a402fdf' (2026-07-04)

Author: nix-update-flakes[bot]