Update flake.lock

[BonusPlay]

Automated changes by the update-flake-lock GitHub Action.

Flake lock file updates:

• Updated input 'nixos-hardware':
    'github:NixOS/nixos-hardware/9154f45' (2025-11-29)
  → 'github:NixOS/nixos-hardware/c5db956' (2025-12-24)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/c97c47f' (2025-12-04)
  → 'github:NixOS/nixpkgs/f560cce' (2025-12-26)
• Updated input 'nixpkgs-unstable':
    'github:NixOS/nixpkgs/f61125a' (2025-12-05)
  → 'github:NixOS/nixpkgs/3e2499d' (2025-12-25)

Running GitHub Actions on this PR

GitHub Actions will not run workflows on pull requests which are opened by a GitHub Action.

To run GitHub Actions workflows on this PR, run:

git branch -D update_flake_lock_action
git fetch origin
git checkout update_flake_lock_action
git commit --amend --no-edit
git push origin update_flake_lock_action --force