chore: update flake.lock (nix-community#405)

Flake lock file updates:

• Updated input 'devshell':
    'github:numtide/devshell/cd4e2fda3150dd2f689caeac07b7f47df5197c31' (2023-09-29)
  → 'github:numtide/devshell/1aed986e3c81a4f6698e85a7452cbfcc4b31a36e' (2023-10-27)
• Updated input 'hercules-ci-effects':
    'github:hercules-ci/hercules-ci-effects/f925e00919fbf248aef3d1e89781b72dd89a6eb0' (2023-10-21)
  → 'github:hercules-ci/hercules-ci-effects/300e0af24a1bbe32d115beb182efb01785582c45' (2023-10-24)
• Updated input 'hercules-ci-effects/flake-parts':
    'github:hercules-ci/flake-parts/8e8d955c22df93dbe24f19ea04f47a74adbdc5ec' (2023-07-04)
  → 'github:hercules-ci/flake-parts/c9afaba3dfa4085dbd2ccb38dfade5141e33d9d4' (2023-10-03)
• Updated input 'hercules-ci-effects/flake-parts/nixpkgs-lib':
    'github:NixOS/nixpkgs/4bc72cae107788bf3f24f30db2e2f685c9298dc9?dir=lib' (2023-06-29)
  → follows 'hercules-ci-effects/nixpkgs'
• Removed input 'hercules-ci-effects/hercules-ci-agent'
• Removed input 'hercules-ci-effects/hercules-ci-agent/flake-parts'
• Removed input 'hercules-ci-effects/hercules-ci-agent/flake-parts/nixpkgs-lib'
• Removed input 'hercules-ci-effects/hercules-ci-agent/haskell-flake'
• Removed input 'hercules-ci-effects/hercules-ci-agent/nixpkgs'
• Updated input 'hercules-ci-effects/nixpkgs':
    'github:NixOS/nixpkgs/27fcd46fa18df36d270174246e7bd8f1787129ff' (2023-07-15)
  → 'github:NixOS/nixpkgs/7c9cc5a6e5d38010801741ac830a3f8fd667a7a0' (2023-10-19)
• Updated input 'nixpkgs-unstable':
    'github:nixos/nixpkgs/51d906d2341c9e866e48c2efcaac0f2d70bfd43e' (2023-10-21)
  → 'github:nixos/nixpkgs/808c0d8c53c7ae50f82aca8e7df263225cf235bf' (2023-10-26)
• Updated input 'treefmt-nix':
    'github:numtide/treefmt-nix/aae39f64f5ecbe89792d05eacea5cb241891292a' (2023-10-15)
  → 'github:numtide/treefmt-nix/5deb8dc125a9f83b65ca86cf0c8167c46593e0b1' (2023-10-27)

Co-authored-by: Bottie McBotFace <[email protected]>