flake.lock: Update

Flake lock file updates:

• Updated input 'antigravity-nix':
    'github:jacopone/antigravity-nix/e38d394' (2026-08-22)
  → 'github:jacopone/antigravity-nix/cc74d8a' (2026-08-27)
• Updated input 'awww':
    'git+https://codeberg.org/LGFae/awww?ref=refs/heads/main&rev=25ea4fd7a42359379da9ddadedda1c477caa4ae0' (2026-07-14)
  → 'git+https://codeberg.org/LGFae/awww?ref=refs/heads/main&rev=25ea4fd7a42359379da9ddadedda1c477caa4ae0' (2026-07-14)
• Updated input 'home-manager':
    'github:nix-community/home-manager/ec1a8fd' (2026-08-22)
  → 'github:nix-community/home-manager/82c265f' (2026-08-31)
• Updated input 'nix-index-database':
    'github:nix-community/nix-index-database/c7962dc' (2026-08-16)
  → 'github:nix-community/nix-index-database/dbb978f' (2026-08-30)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/2c423e0' (2026-08-22)
  → 'github:nixos/nixpkgs/d2f6794' (2026-08-29)
• Updated input 'nixpkgs-freecad':
    'github:nixos/nixpkgs/2c423e0' (2026-08-22)
  → 'github:nixos/nixpkgs/d2f6794' (2026-08-29)
• Updated input 'nixvim':
    'github:nix-community/nixvim/bd46166' (2026-08-21)
  → 'github:nix-community/nixvim/8c096ab' (2026-08-27)
• Updated input 'nixvim/flake-parts':
    'github:hercules-ci/flake-parts/427bf4b' (2026-08-01)
  → 'github:hercules-ci/flake-parts/9d0d871' (2026-08-24)
• Updated input 'stylix':
    'github:danth/stylix/a9e5a76' (2026-08-19)
  → 'github:danth/stylix/5e38098' (2026-08-26)
• Updated input 'zen-browser':
    'github:0xc000022070/zen-browser-flake/228a12a' (2026-08-19)
  → 'github:0xc000022070/zen-browser-flake/7e5eae4' (2026-08-29)

Author: github-actions[bot]