chore(example): Update flake.lock (#406)

Flake lock file updates:

• Updated input 'haskell-flake':
    'github:srid/haskell-flake/b6508f818abb14a4df436378ff24e3e3afc9cbd0?narHash=sha256-45psZ9Xd%2B50w9KrZmg1y5yH7MTm0J5pKWGD7GcRdPm0%3D' (2025-03-05)
  → 'github:srid/haskell-flake/f66fe097c01b4ac20a28b4f26e760dffd5891967?narHash=sha256-NPxvw%2BFaxMPgwGGGiTbmNpfjFhR1HwPRWTBJJufWQ6Q%3D' (2025-03-09)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/de0fe301211c267807afd11b12613f5511ff7433?narHash=sha256-aizILFrPgq/W53Jw8i0a1h1GZAAKtlYOrG/A5r46gVM%3D' (2025-03-07)
  → 'github:nixos/nixpkgs/573c650e8a14b2faa0041645ab18aed7e60f0c9a?narHash=sha256-4thdbnP6dlbdq%2BqZWTsm4ffAwoS8Tiq1YResB%2BRP6WE%3D' (2025-03-13)

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Author: github-actions[bot]