chore(test): Update flake.lock

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/d226935fd75012939397c83f6c385e4d6d832288?narHash=sha256-HV97wqUQv9wvptiHCb3Y0/YH0lJ60uZ8FYfEOIzYEqI%3D' (2024-06-07)
  → 'github:nixos/nixpkgs/90338afd6177fc683a04d934199d693708c85a3b?narHash=sha256-%2B1xgeIow4gJeiwo4ETvMRvWoircnvb0JOt7NS9kUhoM%3D' (2024-06-21)
• Updated input 'process-compose-flake':
    'github:Platonic-Systems/process-compose-flake/8a6fae467d4862f2be9aa2954ab2d1e324c399f4?narHash=sha256-EjmlQSBs6XxsOEk7KQSpk2m/mkRtUpH%2B%2BjZQix2jFgE%3D' (2024-06-06)
  → 'github:Platonic-Systems/process-compose-flake/9344fac44edced4c686721686a6ad904d067c546?narHash=sha256-%2BRrlkAVZx0QhyeHAGFJnjST%2B/7Dc3zsDU3zAKXoDXaI%3D' (2024-06-10)
• Updated input 'services-flake':
    'github:juspay/services-flake/b23fd8fc01985a994b38acc40bc512abefbbcc3f?narHash=sha256-J0hWG7EAhwujMvhbBfnIc3gMxzPWjj3s5yJNH%2BmV5cs%3D' (2024-06-09)
  → 'github:juspay/services-flake/5ffb937b40e1f800061f8412edadd2271990296b?narHash=sha256-dX5gfTvxMywE8hzDted1O1NhylypS2FYsX4YvxLzDWY%3D' (2024-06-23)