flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.2405.634054%2Brev-4a92571f9207810b559c9eac203d1f4d79830073/01914d63-b212-712f-bb11-24565c742847/source.tar.gz?narHash=sha256-%2BCHVZnTnIYRLYsARInHYoWkujzcRkLY/gXm3s5bE52o%3D' (2024-08-13)
  → 'https://api.flakehub.com/f/pinned/NixOS/nixpkgs/0.2405.635067%2Brev-e65aa8301ba4f0ab8cb98f944c14aa9da07394f8/0191efda-e9e3-7b0d-9d73-69665fd6ce0f/source.tar.gz?narHash=sha256-PyFVySdGj3enKqm8RQuo4v1KLJLmNLOq2yYOHsI6e2Q%3D' (2024-09-11)