flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/7c43f080a7f28b2774f3b3f43234ca11661bf334?narHash=sha256-rqc2RKYTxP3tbjA%2BPB3VMRQNnjesrT0pEofXQTrMsS8%3D' (2025-05-25)
  → 'github:NixOS/nixpkgs/6c64dabd3aa85e0c02ef1cdcb6e1213de64baee3?narHash=sha256-h/aac1dGLhS3qpaD2aZt25NdKY7b%2BJT0ZIP2WuGsJMU%3D' (2025-06-15)
• Updated input 'pre-commit-hooks':
    'github:cachix/git-hooks.nix/80479b6ec16fefd9c1db3ea13aeb038c60530f46?narHash=sha256-2Y53NGIX2vxfie1rOW0Qb86vjRZ7ngizoo%2BbnXU9D9k%3D' (2025-05-16)
  → 'github:cachix/git-hooks.nix/623c56286de5a3193aa38891a6991b28f9bab056?narHash=sha256-WUaIlOlPLyPgz9be7fqWJA5iG6rHcGRtLERSCfUDne4%3D' (2025-06-11)
• Updated input 'pyproject-build-systems':
    'github:pyproject-nix/build-system-pkgs/7dba6dbc73120e15b558754c26024f6c93015dd7?narHash=sha256-nysSwVVjG4hKoOjhjvE6U5lIKA8sEr1d1QzEfZsannU%3D' (2025-04-14)
  → 'github:pyproject-nix/build-system-pkgs/7c06967eca687f3482624250428cc12f43c92523?narHash=sha256-UJONN7mA2stweZCoRcry2aa1XTTBL0AfUOY84Lmqhos%3D' (2025-06-10)
• Updated input 'srvos':
    'github:nix-community/srvos/37ce28d34cf7b416bf8eb0974a99e85ad65fbe84?narHash=sha256-hlf/ILKLU98P38mXQxm6kxbxjt3eI0vUcDZhXjf2HJg%3D' (2025-05-26)
  → 'github:nix-community/srvos/c4c51cca77838d2ae0cc4cea36dde3bc3eea57e6?narHash=sha256-ZwduydIUY0tdF1fLXPGeyNo24vYOhlR/w/r0hGp8OBs%3D' (2025-06-16)
• Updated input 'treefmt-nix':
    'github:numtide/treefmt-nix/1f3f7b784643d488ba4bf315638b2b0a4c5fb007?narHash=sha256-9YzfeN8CB6SzNPyPm2XjRRqSixDopTapaRsnTpXUEY8%3D' (2025-05-26)
  → 'github:numtide/treefmt-nix/a05be418a1af1198ca0f63facb13c985db4cb3c5?narHash=sha256-eEy8cuS0mZ2j/r/FE0/LYBSBcIs/MKOIVakwHVuqTfk%3D' (2025-06-06)
• Updated input 'uv2nix':
    'github:adisbladis/uv2nix/ec0502250b48116fd3aa8e1347a2d0254bacd05e?narHash=sha256-1v8SFHOwUCvHDXFmQRjHZYawY19nxmtZ7zH/kwAGgj0%3D' (2025-05-22)
  → 'github:adisbladis/uv2nix/22ddf88e3a06551b769f0a585601d89180c69a38?narHash=sha256-MDq5YPXq3VO7aGrIIz9IMexJcdRiLCcDK4Bk3Kev7Sw%3D' (2025-06-13)

Author: jhh