flake.lock: Update

Flake lock file updates:

• Updated input 'feedback':
    'github:NorfairKing/feedback/0b7cf891d761e09bf550254e978dcf265cfe05bb' (2024-12-01)
  → 'github:NorfairKing/feedback/6bfb06e3b02db51e6a5341252a9940aab442371e' (2024-12-19)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/c14612d5019cdfe1b43fc2cc32e81c3419a87fba' (2024-12-01)
  → 'github:NixOS/nixpkgs/85d6d1b15ad9a07ec578a1e49ba34c9e377d9176' (2025-01-01)
• Updated input 'pre-commit-hooks':
    'github:cachix/pre-commit-hooks.nix/3308484d1a443fc5bc92012435d79e80458fe43c' (2024-11-19)
  → 'github:cachix/pre-commit-hooks.nix/f0f0dc4920a903c3e08f5bdb9246bb572fcae498' (2024-12-21)