chore: run nix flake update

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/9126214d0a59633752a136528f5f3b9aa8565b7d?narHash=sha256-sB4SWl2lX95bExY2gMFG5HIzvva5AVMJd4Igm%2BGpZNw%3D' (2024-04-01)
  → 'github:hercules-ci/flake-parts/567b938d64d4b4112ee253b9274472dc3a346eb6?narHash=sha256-%2Bebgonl3NbiKD2UD0x4BszCZQ6sTfL4xioaM49o5B3Y%3D' (2024-09-01)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/7bb2ccd8cdc44c91edba16c48d2c8f331fb3d856?narHash=sha256-Drmja/f5MRHZCskS6mvzFqxEaZMeciScCTFxWVLqWEY%3D' (2024-04-25)
  → 'github:NixOS/nixpkgs/ad416d066ca1222956472ab7d0555a6946746a80?narHash=sha256-%2Byj%2BxgsfZaErbfYM3T%2BQvEE2hU7UuE%2BJf0fJCJ8uPS0%3D' (2024-09-04)
• Updated input 'treefmt-nix':
    'github:numtide/treefmt-nix/c6aaf729f34a36c445618580a9f95a48f5e4e03f?narHash=sha256-Qv4RBm4LKuO4fNOfx9wl40W2rBbv5u5m%2BwhxRYUMiaA%3D' (2024-04-25)
  → 'github:numtide/treefmt-nix/9fb342d14b69aefdf46187f6bb80a4a0d97007cd?narHash=sha256-VcqxWT0O/gMaeWTTjf1r4MOyG49NaNxW4GHTO3xuThE%3D' (2024-09-02)