chore: update flake.lock

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/3d04084' (2024-10-01)
  → 'github:hercules-ci/flake-parts/2cccadc' (2025-11-21)
• Updated input 'flake-parts/nixpkgs-lib':
    'https://github.com/NixOS/nixpkgs/archive/fb192fec7cc7a4c26d51779e9bab07ce6fa5597a.tar.gz' (2024-10-01)
  → 'github:nix-community/nixpkgs.lib/719359f' (2025-10-29)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/e156ec8' (2024-10-21)
  → 'github:NixOS/nixpkgs/60d40a8' (2025-11-22)
• Updated input 'pre-commit-hooks-nix':
    'github:cachix/pre-commit-hooks.nix/3c3e88f' (2024-10-16)
  → 'github:cachix/pre-commit-hooks.nix/20e71a4' (2025-11-21)
• Updated input 'pre-commit-hooks-nix/flake-compat':
    'github:edolstra/flake-compat/0f9255e' (2023-10-04)
  → 'github:edolstra/flake-compat/9100a0f' (2025-05-12)
• Removed input 'pre-commit-hooks-nix/nixpkgs-stable'

Author: github-actions[bot]