flake.lock: Update

Flake lock file updates:

• Updated input 'blueprint':
    'github:numtide/blueprint/ce2b3370b6915bc457b669e53d04f0231b66b60f?narHash=sha256-Mk7dW932hmuvtSzyJJgjqF8/7YgDgV0nc3Ju4QtIzXs%3D' (2025-04-08)
  → 'github:numtide/blueprint/49bbd5d072b577072f4a1d07d4b0621ecce768af?narHash=sha256-0chvqUV1Kzf8BMQ7MsH3CeicJEb2HeCpwliS77FGyfc%3D' (2025-04-14)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/f9ebe33a928b5d529c895202263a5ce46bdf12f7?narHash=sha256-QZnNHM823am8apCqKSPdtnzPGTy2ZB4zIXOVoBp5%2BW0%3D' (2025-04-10)
  → 'github:NixOS/nixpkgs/9684b53175fc6c09581e94cc85f05ab77464c7e3?narHash=sha256-AQ7M9wTa/Pa/kK5pcGTgX/DGqMHyzsyINfN7ktsI7Fo%3D' (2025-04-21)
• Updated input 'pyproject-build-systems':
    'github:pyproject-nix/build-system-pkgs/38947cfda923e44ce63db057e7772f4a48b7ebbd?narHash=sha256-f0Z1OqugZjvofIud0Mpr%2BySTJwyYR9UO7lSxY8jRd4g%3D' (2025-04-10)
  → 'github:pyproject-nix/build-system-pkgs/7dba6dbc73120e15b558754c26024f6c93015dd7?narHash=sha256-nysSwVVjG4hKoOjhjvE6U5lIKA8sEr1d1QzEfZsannU%3D' (2025-04-14)
• Updated input 'srvos':
    'github:nix-community/srvos/c6808c5b6575ae3343dc3c21277080f68a574bd6?narHash=sha256-a8zSzdfzZ8hCyvbGo78IuTL62bHGOAzUTyk34gjfkjI%3D' (2025-04-12)
  → 'github:nix-community/srvos/be128093568b7f0d6d9d33941564e78d19bf7c06?narHash=sha256-cmo852T3LxxkH4RSU6T006R3NJN5dKQaqbxQ8Zm0vAI%3D' (2025-04-22)
• Updated input 'treefmt-nix':
    'github:numtide/treefmt-nix/815e4121d6a5d504c0f96e5be2dd7f871e4fd99d?narHash=sha256-uhjnlaVTWo5iD3LXics1rp9gaKgDRQj6660%2BgbUU3cE%3D' (2025-04-04)
  → 'github:numtide/treefmt-nix/8d404a69efe76146368885110f29a2ca3700bee6?narHash=sha256-aRmUh0AMwcbdjJHnytg1e5h5ECcaWtIFQa6d9gI85AI%3D' (2025-04-18)
• Updated input 'uv2nix':
    'github:adisbladis/uv2nix/2b0fbb003988891c44b01b3e556f5fac817253ed?narHash=sha256-0k6eJPWfI56e9WbjNFTKKYoP8YX31gXHOcKz/zeLdBs%3D' (2025-04-10)
  → 'github:adisbladis/uv2nix/bcadc56a1e90d89bf32cc4ac308d8252e2adf855?narHash=sha256-ykgcOadiU9Z67P2MOjB0r06r35cQu65t0fzDeYR1uzc%3D' (2025-04-22)

Author: jhh