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

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/5083ec887760adfe12af64830a66807423a859a7?narHash=sha256-D1FNZ70NmQEwNxpSSdTXCSklBH1z2isPR84J6DQrJGs%3D' (2024-11-18)
  → 'github:nixos/nixpkgs/4703b8d2c708e13a8cab03d865f90973536dcdf5?narHash=sha256-B5pYT%2BIVaqcrfOekkwKvx/iToDnuQWzc2oyDxzzBDc4%3D' (2024-11-30)
• Updated input 'northwind':
    'github:juspay/services-flake/e039591c6d3fe6606069a97f0be7d0fdddd2f106?dir=example/share-services/northwind&narHash=sha256-%2BRTN1rTeqygSbiim9zJC9Pff/5jyCw88T6p/TTowMNg%3D' (2024-11-20)
  → 'github:juspay/services-flake/394b03d95afb3d7cb9c35c6a6d5e65027a8820a6?dir=example/share-services/northwind&narHash=sha256-kAhsXcCwjGTNVnACXPENGNLIHva6Hqg86IHFWd34DME%3D' (2024-11-28)
• Updated input 'northwind/nixpkgs':
    'github:nixos/nixpkgs/c69a9bffbecde46b4b939465422ddc59493d3e4d?narHash=sha256-ddcX4lQL0X05AYkrkV2LMFgGdRvgap7Ho8kgon3iWZk%3D' (2024-11-16)
  → 'github:nixos/nixpkgs/5083ec887760adfe12af64830a66807423a859a7?narHash=sha256-D1FNZ70NmQEwNxpSSdTXCSklBH1z2isPR84J6DQrJGs%3D' (2024-11-18)
• Updated input 'northwind/services-flake':
    'github:juspay/services-flake/64ae2de590d5cec4af27e77c724bddcdc7e160fb?narHash=sha256-t9Gm34z%2Ba8IqBmGGFvKBXWO3RCPP9V62Iob4R54BTr0%3D' (2024-11-15)
  → 'github:juspay/services-flake/e039591c6d3fe6606069a97f0be7d0fdddd2f106?narHash=sha256-%2BRTN1rTeqygSbiim9zJC9Pff/5jyCw88T6p/TTowMNg%3D' (2024-11-20)
• Updated input 'services-flake':
    'github:juspay/services-flake/e039591c6d3fe6606069a97f0be7d0fdddd2f106?narHash=sha256-%2BRTN1rTeqygSbiim9zJC9Pff/5jyCw88T6p/TTowMNg%3D' (2024-11-20)
  → 'github:juspay/services-flake/394b03d95afb3d7cb9c35c6a6d5e65027a8820a6?narHash=sha256-kAhsXcCwjGTNVnACXPENGNLIHva6Hqg86IHFWd34DME%3D' (2024-11-28)