chore(example): Update flake.lock

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/4e627ac2e1b8f1de7f5090064242de9a259dbbc8?narHash=sha256-lbHQ7FXGzt6/IygWvJ1lCq%2BTxcut3xYYd6VIpF1ojkg%3D' (2025-10-18)
  → 'github:hercules-ci/flake-parts/864599284fc7c0ba6357ed89ed5e2cd5040f0c04?narHash=sha256-TmWcdiUUaWk8J4lpjzu4gCGxWY6/Ok7mOK4fIFfBuU4%3D' (2025-10-20)
• Updated input 'haskell-flake':
    'github:srid/haskell-flake/c3ff12c92b85e4c59c60246b21c02c34c4b85644?narHash=sha256-BY/8KdqF8Gx3Jl44nKjL4v/t/NmSDuLf7nco9GNOxyY%3D' (2025-10-17)
  → 'github:srid/haskell-flake/cec1fd0eb0f287f24d1fff03daee1b581f049c77?narHash=sha256-GgGRjxNecdqUnLBKP3LMHR7q3sZVWATCB5AJVMgcmw0%3D' (2025-10-24)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/3cbe716e2346710d6e1f7c559363d14e11c32a43?narHash=sha256-J/i5K6AAz/y5dBePHQOuzC7MbhyTOKsd/GLezSbEFiM%3D' (2025-10-16)
  → 'github:nixos/nixpkgs/02f2cb8e0feb4596d20cc52fda73ccee960e3538?narHash=sha256-tH3wHnOJms%2BU4k/rK2Nn1RfBrhffX92jLP/2VndSn0w%3D' (2025-10-24)

Author: github-actions[bot]