chore(example): Update flake.lock

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/c621e8422220273271f52058f618c94e405bb0f5?narHash=sha256-hIshGgKZCgWh6AYJpJmRgFdR3WUbkY04o82X05xqQiY%3D' (2025-04-01)
  → 'github:hercules-ci/flake-parts/77826244401ea9de6e3bac47c2db46005e1f30b5?narHash=sha256-Tyw1RjYEsp5scoigs1384gIg6e0GoBVjms4aXFfRssQ%3D' (2025-07-01)
• Updated input 'flake-parts/nixpkgs-lib':
    'github:nix-community/nixpkgs.lib/e4822aea2a6d1cdd36653c134cacfd64c97ff4fa?narHash=sha256-b1EdN3cULCqtorQ4QeWgLMrd5ZGOjLSLemfa00heasc%3D' (2025-03-30)
  → 'github:nix-community/nixpkgs.lib/14a40a1d7fb9afa4739275ac642ed7301a9ba1ab?narHash=sha256-urW/Ylk9FIfvXfliA1ywh75yszAbiTEVgpPeinFyVZo%3D' (2025-06-29)
• Updated input 'haskell-flake':
    'github:srid/haskell-flake/6531204f95cc83daafb740ccfaacdf50eba117ff?narHash=sha256-MGvizJ6t2DyTZlI/uAyIYSompqAotUbgzHvPn3jYDYk%3D' (2025-05-11)
  → 'github:srid/haskell-flake/af2ba40f23824556b12d1cdfdf392e263876d644?narHash=sha256-gV/B1PWOwpLjy2OCHMS/fJ8GItMRoflW/g3kXB8/skg%3D' (2025-06-05)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/12a55407652e04dcf2309436eb06fef0d3713ef3?narHash=sha256-N4cp0asTsJCnRMFZ/k19V9akkxb7J/opG%2BK%2BjU57JGc%3D' (2025-05-16)
  → 'github:nixos/nixpkgs/2a2130494ad647f953593c4e84ea4df839fbd68c?narHash=sha256-Q82Ms%2BFQmgOBkdoSVm%2BFBpuFoeUAffNerR5yVV7SgT8%3D' (2025-07-08)

Author: github-actions[bot]