chore(example/share-services/northwind): Update flake.lock

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/205b12d8b7cd4802fbcb8e8ef6a0f1408781a4f9?narHash=sha256-4pDvzqnegAfRkPwO3wmwBhVi/Sye1mzps0zHWYnP88c%3D' (2024-12-04)
  → 'github:hercules-ci/flake-parts/f2f7418ce0ab4a5309a4596161d154cfc877af66?narHash=sha256-soePLBazJk0qQdDVhdbM98vYdssfs3WFedcq%2BraipRI%3D' (2025-01-01)
• Updated input 'flake-parts/nixpkgs-lib':
    'https://github.com/NixOS/nixpkgs/archive/5487e69da40cbd611ab2cadee0b4637225f7cfae.tar.gz?narHash=sha256-1qRH7uAUsyQI7R1Uwl4T%2BXvdNv778H0Nb5njNrqvylY%3D' (2024-12-01)
  → 'https://github.com/NixOS/nixpkgs/archive/e9b51731911566bbf7e4895475a87fe06961de0b.tar.gz?narHash=sha256-CewEm1o2eVAnoqb6Ml%2BQi9Gg/EfNAxbRx1lANGVyoLI%3D' (2025-01-01)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/7cc0bff31a3a705d3ac4fdceb030a17239412210?narHash=sha256-7QEFnKkzD13SPxs%2BUFR5bUFN2fRw%2BGlL0am72ZjNre4%3D' (2024-12-27)
  → 'github:nixos/nixpkgs/a27871180d30ebee8aa6b11bf7fef8a52f024733?narHash=sha256-Q4HuFAvoKAIiTRZTUxJ0ZXeTC7lLfC9/dggGHNXNlCw%3D' (2025-01-03)
• Updated input 'services-flake':
    'github:juspay/services-flake/89e84a002000634dc4f064352594912e98164ce8?narHash=sha256-VGhKyJf%2B26gGpGKpa6arKJXai/gyPSP3l02yZQbo4NQ%3D' (2024-12-22)
  → 'github:juspay/services-flake/8a2bb69d82c102f7668817dd17e98b57501e00c5?narHash=sha256-TbqclCPCmnVsO6znviAt3Ghp6j97OnqQg9/uJ74zQ7w%3D' (2025-01-03)