Update example/flake.lock

[github-actions[bot]]

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

Flake lock file updates:

• Updated input 'haskell-flake':
    'github:srid/haskell-flake/5b0857e0b7feec60bf00e075f7859746d52b8564?narHash=sha256-LNbwGgBT5EqfWN7pqYbj71VLLGQJqWkde3ToOhkM5vM%3D' (2024-04-28)
  → 'github:srid/haskell-flake/d06c68deaed203b6fd172e18fc6cacfee45f748c?narHash=sha256-mHXGbESaMbS8gJ8%2BDtJwgaJLtpGKYAYgXqUzAgf/O70%3D' (2024-05-05)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/5fd8536a9a5932d4ae8de52b7dc08d92041237fc?narHash=sha256-oOUdvPrO8CbupgDSaPou%2BJv6GL%2BuQA2QlE33D7OLzkM%3D' (2024-05-03)
  → 'github:nixos/nixpkgs/e4e7a43a9db7e22613accfeb1005cca1b2b1ee0d?narHash=sha256-FCi3R1MeS5bVp0M0xTheveP6hhcCYfW/aghSTPebYL4%3D' (2024-05-11)

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