chore: update dev flake inputs

Flake lock file updates:

• Updated input 'home-manager':
    'github:nix-community/home-manager/6e090576c4824b16e8759ebca3958c5b09659ee8?narHash=sha256-ss0G8t8RJVDewA3MyqgAlV951cWRK6EtVhVKEZ7J5LU%3D' (2024-07-31)
  → 'github:nix-community/home-manager/2598861031b78aadb4da7269df7ca9ddfc3e1671?narHash=sha256-Fy%2BKEvDQ%2BHc8lJAV3t6leXhZJ2ncU5/esxkgt3b8DEY%3D' (2024-08-18)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/9f918d616c5321ad374ae6cb5ea89c9e04bf3e58?narHash=sha256-/DJBI6trCeVnasdjUo9pbnodCLZcFqnVZiLUfqLH4jA%3D' (2024-07-31)
  → 'github:NixOS/nixpkgs/c374d94f1536013ca8e92341b540eba4c22f9c62?narHash=sha256-Z/ELQhrSd7bMzTO8r7NZgi9g5emh%2BaRKoCdaAv5fiO0%3D' (2024-08-21)
• Updated input 'nixpkgs-stable':
    'github:NixOS/nixpkgs/cf05eeada35e122770c5c14add958790fcfcbef5?narHash=sha256-B2xRiC3NEJy/82ugtareBkRqEkPGpMyjaLxaR8LBxNs%3D' (2024-07-30)
  → 'github:NixOS/nixpkgs/224042e9a3039291f22f4f2ded12af95a616cca0?narHash=sha256-HMpK7hNjhEk4z5SFg5UtxEio9OWFocHdaQzCfW1pE7w%3D' (2024-08-21)