chore(example/simple): Update flake.lock

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/cd7b95ee3725af7113bacbce91dd6549cee58ca5?narHash=sha256-OTDg91%2BZzs2SpU3csK4xVdSQFoG8cK1lNUwKmTqERyE%3D' (2024-08-17)
  → 'github:nixos/nixpkgs/ae815cee91b417be55d43781eb4b73ae1ecc396c?narHash=sha256-zRkDV/nbrnp3Y8oCADf5ETl1sDrdmAW6/bBVJ8EbIdQ%3D' (2024-08-23)
• Updated input 'services-flake':
    'github:juspay/services-flake/034722b4046bf687e8fafa6626a88890abfad33f?narHash=sha256-FJOvmGACkAPnnOQE02xxhUg913V5g%2BXoRrXWt40t/fQ%3D' (2024-08-11)
  → 'github:juspay/services-flake/65e88f96e17ea1e580d861ad0ed9de5e3a0e3858?narHash=sha256-mmWRnbgMyy0rfpwnNkGZDhnG10L1MUZZf9AaPJO9iNE%3D' (2024-08-20)