flake.lock: Update

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/3d04084' (2024-10-01)
  → 'github:hercules-ci/flake-parts/a34fae9' (2025-12-15)
• Updated input 'flake-parts/nixpkgs-lib':
    'https://github.com/NixOS/nixpkgs/archive/fb192fec7cc7a4c26d51779e9bab07ce6fa5597a.tar.gz' (2024-10-01)
  → 'github:nix-community/nixpkgs.lib/2075416' (2025-12-14)
• Updated input 'home-manager':
    'github:nix-community/home-manager/d57112d' (2024-10-12)
  → 'github:nix-community/home-manager/4dc3c91' (2025-12-20)
• Updated input 'nix-darwin':
    'github:LnL7/nix-darwin/fd0e3ed' (2024-10-12)
  → 'github:LnL7/nix-darwin/5fb45ec' (2025-12-18)
• Updated input 'nix-index-database':
    'github:nix-community/nix-index-database/5fce10c' (2024-10-07)
  → 'github:nix-community/nix-index-database/82befcf' (2025-12-09)
• Updated input 'nixos-unified':
    'github:srid/nixos-unified/040b4db' (2024-10-11)
  → 'github:srid/nixos-unified/90171c6' (2025-11-25)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/5633bcf' (2024-10-09)
  → 'github:nixos/nixpkgs/c6245e8' (2025-12-18)
• Updated input 'nixvim':
    'github:nix-community/nixvim/2e1b3b7' (2024-10-12)
  → 'github:nix-community/nixvim/ff00fe1' (2025-12-20)
• Removed input 'nixvim/devshell'
• Removed input 'nixvim/devshell/nixpkgs'
• Removed input 'nixvim/flake-compat'
• Removed input 'nixvim/git-hooks'
• Removed input 'nixvim/git-hooks/flake-compat'
• Removed input 'nixvim/git-hooks/gitignore'
• Removed input 'nixvim/git-hooks/gitignore/nixpkgs'
• Removed input 'nixvim/git-hooks/nixpkgs'
• Removed input 'nixvim/git-hooks/nixpkgs-stable'
• Removed input 'nixvim/home-manager'
• Removed input 'nixvim/home-manager/nixpkgs'
• Removed input 'nixvim/nix-darwin'
• Removed input 'nixvim/nix-darwin/nixpkgs'
• Removed input 'nixvim/nuschtosSearch'
• Removed input 'nixvim/nuschtosSearch/flake-utils'
• Removed input 'nixvim/nuschtosSearch/flake-utils/systems'
• Removed input 'nixvim/nuschtosSearch/nixpkgs'
• Added input 'nixvim/systems':
    'github:nix-systems/default/da67096' (2023-04-09)
• Removed input 'nixvim/treefmt-nix'
• Removed input 'nixvim/treefmt-nix/nixpkgs'

Author: github-actions[bot]