chore(example): Update simple/flake.lock

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/71fb97f0d875fd4de4994dfb849f2c75e17eb6c3?narHash=sha256-cKDDciXGpMEjP1n6HlzKinN0H%2BoLmNpgeCTzYnsA2po%3D' (2023-06-01)
  → 'github:hercules-ci/flake-parts/9126214d0a59633752a136528f5f3b9aa8565b7d?narHash=sha256-sB4SWl2lX95bExY2gMFG5HIzvva5AVMJd4Igm%2BGpZNw%3D' (2024-04-01)
• Updated input 'flake-parts/nixpkgs-lib':
    'github:NixOS/nixpkgs/4f53efe34b3a8877ac923b9350c874e3dcd5dc0a?dir=lib&narHash=sha256-8ywr3AkblY4%2B%2B3lIVxmrWZFzac7%2Bf32ZEhH/A8pNscI%3D' (2023-05-31)
  → 'github:NixOS/nixpkgs/d8fe5e6c92d0d190646fb9f1056741a229980089?dir=lib&narHash=sha256-iMUFArF0WCatKK6RzfUJknjem0H9m4KgorO/p3Dopkk%3D' (2024-03-29)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/b604023e0a5549b65da3040a07d2beb29ac9fc63?narHash=sha256-kO67pYOeT/6m9BnPO%2BzNHWnC4eGiW87gIAJ%2Be8f3gwU%3D' (2023-10-06)
  → 'github:nixos/nixpkgs/d6f6eb2a984f2ba9a366c31e4d36d65465683450?narHash=sha256-Yg5D5LhyAZvd3DZrQQfJAVK8K3TkUYKooFtH1ulM0mw%3D' (2024-04-27)
• Updated input 'process-compose-flake':
    'github:Platonic-Systems/process-compose-flake/dded78fff52b069bd55607b15b49739e8310efb3?narHash=sha256-kFgAt2kJZ9JleWgo%2BcFULoya31o9EiukNg1H4G0%2BKnM%3D' (2024-02-22)
  → 'github:Platonic-Systems/process-compose-flake/ee8cd505f08f6cd691930e70987a306b7726851b?narHash=sha256-pQIg3wrNBDdRiuhcVC8DFmTXK8GHtR%2BiV%2B5Gvsozx5s%3D' (2024-04-24)
• Updated input 'services-flake':
    'github:juspay/services-flake/625f2070346f1a6d11d5c482c0c987010c3ba2fc?narHash=sha256-5CUc2m90tIx8vCuQ9bSLiNl2x9VDijXR4hVdwagoEj8%3D' (2024-02-22)
  → 'github:juspay/services-flake/dbb93b39ce83530e6f86daa46c671055f224816d?narHash=sha256-%2BgszdjbWWt5m%2B77weTSk9l67Z4cUAmDLp%2BucjJViEpc%3D' (2024-04-26)