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

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/90338afd6177fc683a04d934199d693708c85a3b?narHash=sha256-%2B1xgeIow4gJeiwo4ETvMRvWoircnvb0JOt7NS9kUhoM%3D' (2024-06-21)
  → 'github:nixos/nixpkgs/1e3deb3d8a86a870d925760db1a5adecc64d329d?narHash=sha256-vN5xJAZ4UGREEglh3lfbbkIj%2BMPEYMuqewMn4atZFaQ%3D' (2024-06-27)
• Updated input 'northwind':
    'github:juspay/services-flake/5ffb937b40e1f800061f8412edadd2271990296b?dir=example/share-services/northwind&narHash=sha256-dX5gfTvxMywE8hzDted1O1NhylypS2FYsX4YvxLzDWY%3D' (2024-06-23)
  → 'github:juspay/services-flake/b73fdb5877e79d1efb5244d5e5e843a21391c470?dir=example/share-services/northwind&narHash=sha256-D/msKgosQz27Nywu6EkQTq23spp0lFagSOK66Usjyeo%3D' (2024-06-30)
• Updated input 'northwind/nixpkgs':
    'github:nixos/nixpkgs/90338afd6177fc683a04d934199d693708c85a3b?narHash=sha256-%2B1xgeIow4gJeiwo4ETvMRvWoircnvb0JOt7NS9kUhoM%3D' (2024-06-21)
  → 'github:nixos/nixpkgs/1e3deb3d8a86a870d925760db1a5adecc64d329d?narHash=sha256-vN5xJAZ4UGREEglh3lfbbkIj%2BMPEYMuqewMn4atZFaQ%3D' (2024-06-27)
• Updated input 'northwind/services-flake':
    'github:juspay/services-flake/c371cd53829e973a7dd0d065d183c68b26203c27?narHash=sha256-BHiV/z8pufVLi7ibDXbkYWBQh%2BP2fKyutp%2Bch8%2BiRPc%3D' (2024-06-21)
  → 'github:juspay/services-flake/f276f5985a718f89e997b136299aef65a24a3ec6?narHash=sha256-DGBi9F0V7ojhZJLZzLI7Ad4dF79DS8hjcJFTQcltpdA%3D' (2024-06-25)
• Updated input 'services-flake':
    'github:juspay/services-flake/5ffb937b40e1f800061f8412edadd2271990296b?narHash=sha256-dX5gfTvxMywE8hzDted1O1NhylypS2FYsX4YvxLzDWY%3D' (2024-06-23)
  → 'github:juspay/services-flake/b73fdb5877e79d1efb5244d5e5e843a21391c470?narHash=sha256-D/msKgosQz27Nywu6EkQTq23spp0lFagSOK66Usjyeo%3D' (2024-06-30)