flake.lock: Update

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/f20dc5d9b8027381c474144ecabc9034d6a839a3?narHash=sha256-rHuJtdcOjK7rAHpHphUb1iCvgkU3GpfvicLMwwnfMT0%3D' (2026-03-01)
  → 'github:hercules-ci/flake-parts/3107b77cd68437b9a76194f0f7f9c55f2329ca5b?narHash=sha256-91qqW8lhL7TLwgQWijoGBbiD4t7/q75KTi8NxjVmSmA%3D' (2026-04-01)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/8110df5ad7abf5d4c0f6fb0f8f978390e77f9685?narHash=sha256-D3Q07BbIA2KnTcSXIqqu9P586uWxN74zNoCH3h2ESHg%3D' (2026-03-28)
  → 'github:NixOS/nixpkgs/4c1018dae018162ec878d42fec712642d214fdfa?narHash=sha256-ar3rofg%2BawPB8QXDaFJhJ2jJhu%2BKqN/PRCXeyuXR76E%3D' (2026-04-09)
• Updated input 'pyproject-nix':
    'github:pyproject-nix/pyproject.nix/794afa6eb588b498344f2eaa36ab1ceb7e6b0b09?narHash=sha256-wTfdyzzrmpuqt4TQQNqilF91v0m5Mh1stNy9h7a/WK4%3D' (2026-03-26)
  → 'github:pyproject-nix/pyproject.nix/fb6b728260f3f32761367e9fd1e1a25b4245bcd0?narHash=sha256-NHY9SJNU019n%2B8NCabBDtmuzRFeE2gZlYKHowp9bV24%3D' (2026-04-06)
• Updated input 'treefmt-nix':
    'github:numtide/treefmt-nix/71b125cd05fbfd78cab3e070b73544abe24c5016?narHash=sha256-6E/yhXP7Oy/NbXtf1ktzmU8SdVqJQ09HC/48ebEGBpk%3D' (2026-03-12)
  → 'github:numtide/treefmt-nix/790751ff7fd3801feeaf96d7dc416a8d581265ba?narHash=sha256-pc20NRoMdiar8oPQceQT47UUZMBTiMdUuWrYu2obUP0%3D' (2026-04-08)
• Updated input 'uv2nix':
    'github:pyproject-nix/uv2nix/5d0e883867b1cf53263fcf1bfd34542d40abf5a9?narHash=sha256-dMTjy8hu4XFAdNHdcLtCryN3SHqSUFHHqDLep%2B3b2v4%3D' (2026-03-31)
  → 'github:pyproject-nix/uv2nix/5707df99097375896a3dda811d492a2fabe63500?narHash=sha256-BTb4sydzX2B5/oNbvCdQFeSbk97xEnbb8bk84CiKCOs%3D' (2026-04-09)

Author: tfc