flake.lock: Update (raphamorim#1326)

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/4524271976b625a4a605beefd893f270620fd751?narHash=sha256-%2BuWLQZccFHwqpGqr2Yt5VsW/PbeJVTn9Dk6SHWhNRPw%3D' (2025-09-01)
  → 'github:hercules-ci/flake-parts/758cf7296bee11f1706a574c77d072b8a7baa881?narHash=sha256-wfG0S7pltlYyZTM%2BqqlhJ7GMw2fTF4mLKCIVhLii/4M%3D' (2025-10-01)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/e643668fd71b949c53f8626614b21ff71a07379d?narHash=sha256-NY3kSorgqE5LMm1LqNwGne3ZLMF2/ILgLpFr1fS4X3o%3D' (2025-09-24)
  → 'github:NixOS/nixpkgs/7df7ff7d8e00218376575f0acdcc5d66741351ee?narHash=sha256-gTrEEp5gEspIcCOx9PD8kMaF1iEmfBcTbO0Jag2QhQs%3D' (2025-10-02)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/5bfedf3fbbf5caf8e39f7fcd62238f54d82aa1e2?narHash=sha256-sTS04L9LKqzP1oiVXYDwcMzfFSF0DnSJQFzZBpEgLFE%3D' (2025-09-27)
  → 'github:oxalica/rust-overlay/bd3a63bbff2c4cb3cd48e9d49f54c2ccad457f70?narHash=sha256-yQwP0JOHi3Icq09GG5ufGuGrq2zIijglVFj3kkF2MHA%3D' (2025-10-04)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]