build(deps): update flake.lock

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/9227223f6d922fee3c7b190b2cc238a99527bbb7?narHash=sha256-pQMhCCHyQGRzdfAkdJ4cIWiw%2BJNuWsTX7f0ZYSyz0VY%3D' (2024-07-03)
  → 'github:hercules-ci/flake-parts/8471fe90ad337a8074e957b69ca4d0089218391d?narHash=sha256-XOQkdLafnb/p9ij77byFQjDf5m5QYl9b2REiVClC%2Bx4%3D' (2024-08-01)
• Updated input 'flake-parts/nixpkgs-lib':
    'https://github.com/NixOS/nixpkgs/archive/5daf0514482af3f97abaefc78a6606365c9108e2.tar.gz?narHash=sha256-Fm2rDDs86sHy0/1jxTOKB1118Q0O3Uc7EC0iXvXKpbI%3D' (2024-07-01)
  → 'https://github.com/NixOS/nixpkgs/archive/a5d394176e64ab29c852d03346c1fc9b0b7d33eb.tar.gz?narHash=sha256-uFf2QeW7eAHlYXuDktm9c25OxOyCoUOQmh5SZ9amE5Q%3D' (2024-08-01)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/68c9ed8bbed9dfce253cc91560bf9043297ef2fe?narHash=sha256-Tybxt65eyOARf285hMHIJ2uul8SULjFZbT9ZaEeUnP8%3D' (2024-07-21)
  → 'github:NixOS/nixpkgs/c3aa7b8938b17aebd2deecf7be0636000d62a2b9?narHash=sha256-med8%2B5DSWa2UnOqtdICndjDAEjxr5D7zaIiK4pn0Q7c%3D' (2024-08-14)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/a6afdaab4a47d6ecf647a74968e92a51c4a18e5a?narHash=sha256-33UCMmgPL%2Bsz06%2BiupNkl99hcBABP56ENcxSoKqr0TY%3D' (2024-07-24)
  → 'github:oxalica/rust-overlay/6e75319846684326d900daff1e2e11338cc80d2b?narHash=sha256-WzeUR1MG9MnJnh9T7qcVe/v12qHvJvzdc3Z5HCeE2ns%3D' (2024-08-15)