build(deps): update flake.lock

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/644e0fc48951a860279da645ba77fe4a6e814c5e?narHash=sha256-TVcTNvOeWWk1DXljFxVRp%2BE0tzG1LhrVjOGGoMHuXio%3D' (2025-07-21)
  → 'github:hercules-ci/flake-parts/758cf7296bee11f1706a574c77d072b8a7baa881?narHash=sha256-wfG0S7pltlYyZTM%2BqqlhJ7GMw2fTF4mLKCIVhLii/4M%3D' (2025-10-01)
• Updated input 'flake-parts/nixpkgs-lib':
    'github:nix-community/nixpkgs.lib/14a40a1d7fb9afa4739275ac642ed7301a9ba1ab?narHash=sha256-urW/Ylk9FIfvXfliA1ywh75yszAbiTEVgpPeinFyVZo%3D' (2025-06-29)
  → 'github:nix-community/nixpkgs.lib/a73b9c743612e4244d865a2fdee11865283c04e6?narHash=sha256-x2rJ%2BOvzq0sCMpgfgGaaqgBSwY%2BLST%2BWbZ6TytnT9Rk%3D' (2025-08-10)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/dc9637876d0dcc8c9e5e22986b857632effeb727?narHash=sha256-cKgvtz6fKuK1Xr5LQW/zOUiAC0oSQoA9nOISB0pJZqM%3D' (2025-07-28)
  → 'github:NixOS/nixpkgs/0b4defa2584313f3b781240b29d61f6f9f7e0df3?narHash=sha256-Oncbh0UmHjSlxO7ErQDM3KM0A5/Znfofj2BSzlHLeVw%3D' (2025-10-09)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/b372cf71b4125d420d7648cbd898ab8f5c355be2?narHash=sha256-3okLvry8fRWZhJZP75pPC9P6U1dcu84VOCPhPLXYozI%3D' (2025-07-29)
  → 'github:oxalica/rust-overlay/a8143c74e5ed8cdbca3c96d4362b6392577481ff?narHash=sha256-FVVS5YgOFQHa8waL9EoUuw29iaDIF0qRkVlXIaU1j%2Bc%3D' (2025-10-11)

Author: github-actions[bot]