chore(example): Update flake.lock

Flake lock file updates:

• Updated input 'haskell-flake':
    'github:srid/haskell-flake/72a4c403230c4b8bcfa5571c3b7e76253fc8d966?narHash=sha256-QQbB7e9DQwKCjuLIMQjd9KTpeyvssK9muNAS7hR98y0%3D' (2024-12-20)
  → 'github:srid/haskell-flake/daf00052906bdd977e57a07f7048437214232e87?narHash=sha256-oUYtRBD3Yhw2jvKYo0lfd82fgEQQbFoiJcHO923gmOc%3D' (2024-12-23)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/4989a246d7a390a859852baddb1013f825435cee?narHash=sha256-kMBQ5PRiFLagltK0sH%2B08aiNt3zGERC2297iB6vrvlU%3D' (2024-12-17)
  → 'github:nixos/nixpkgs/7cc0bff31a3a705d3ac4fdceb030a17239412210?narHash=sha256-7QEFnKkzD13SPxs%2BUFR5bUFN2fRw%2BGlL0am72ZjNre4%3D' (2024-12-27)

Author: github-actions[bot]