flake.lock: Update (#368)

Flake lock file updates:

• Updated input 'buildbot-nix':
    'github:nix-community/buildbot-nix/902763bd70b9d45c9f14d9c8b092754933cb3f50?narHash=sha256-Uu59%2BlF/RTjclJINkqNsuJmX7pPRjsu/OPt3Vf2/1ow%3D' (2024-09-16)
  → 'github:nix-community/buildbot-nix/3ac54ba1cc53aae01dd27055a710fbebab19acfe?narHash=sha256-YzzqDIR%2BnuB%2BJsiQ7BTMuXzHe06vnFw/%2BAEo6en/hx4%3D' (2024-09-23)
• Updated input 'buildbot-nix/treefmt-nix':
    'github:numtide/treefmt-nix/9fb342d14b69aefdf46187f6bb80a4a0d97007cd?narHash=sha256-VcqxWT0O/gMaeWTTjf1r4MOyG49NaNxW4GHTO3xuThE%3D' (2024-09-02)
  → 'github:numtide/treefmt-nix/ee41a466c2255a3abe6bc50fc6be927cdee57a9f?narHash=sha256-VUH5O5AcOSxb0uL/m34dDkxFKP6WLQ6y4I1B4%2BN3L2w%3D' (2024-09-19)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/658e7223191d2598641d50ee4e898126768fe847?narHash=sha256-zACxiQx8knB3F8%2BZe%2B1BpiYrI%2BCbhxyWpcSID9kVhkQ%3D' (2024-09-17)
  → 'github:NixOS/nixpkgs/a1d92660c6b3b7c26fb883500a80ea9d33321be2?narHash=sha256-V5LpfdHyQkUF7RfOaDPrZDP%2Boqz88lTJrMT1%2BstXNwo%3D' (2024-09-20)
• Updated input 'pre-commit-hooks':
    'github:cachix/pre-commit-hooks.nix/7570de7b9b504cfe92025dd1be797bf546f66528?narHash=sha256-tyMUA6NgJSvvQuzB7A1Sf8%2B0XCHyfSPRx/b00o6K0uo%3D' (2024-09-05)
  → 'github:cachix/pre-commit-hooks.nix/4e743a6920eab45e8ba0fbe49dc459f1423a4b74?narHash=sha256-D5AegvGoEjt4rkKedmxlSEmC%2BnNLMBPWFxvmYnVLhjk%3D' (2024-09-19)

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