flake.lock: Update (#89)

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/4284c2b73c8bce4b46a6adf23e16d9e2ec8da4bb?narHash=sha256-i4vJL12/AdyuQuviMMd1Hk2tsGt02hDNhA0Zj1m16N8%3D' (2024-07-05)
  → 'github:nixos/nixpkgs/8b5a3d5a1d951344d683b442c0739010b80039db?narHash=sha256-po3TZO9kcZwzvkyMJKb0WCzzDtiHWD34XeRaX1lWXp0%3D' (2024-07-12)
• Updated input 'pre-commit-hooks':
    'github:cachix/pre-commit-hooks.nix/0ff4381bbb8f7a52ca4a851660fc7a437a4c6e07?narHash=sha256-F1h%2BXIsGKT9TkGO3omxDLEb/9jOOsI6NnzsXFsZhry4%3D' (2024-06-24)
  → 'github:cachix/pre-commit-hooks.nix/8d6a17d0cdf411c55f12602624df6368ad86fac1?narHash=sha256-ni/87oHPZm6Gv0ECYxr1f6uxB0UKBWJ6HvS7lwLU6oY%3D' (2024-07-09)
• Updated input 'pre-commit-hooks/nixpkgs-stable':
    'github:NixOS/nixpkgs/03d771e513ce90147b65fe922d87d3a0356fc125?narHash=sha256-0Y8IrGhRmBmT7HHXlxxepg2t8j1X90%2B%2BqRN3lukGaIk%3D' (2024-06-19)
  → 'github:NixOS/nixpkgs/194846768975b7ad2c4988bdb82572c00222c0d7?narHash=sha256-NGKVY4PjzwAa4upkGtAMz1npHGoRzWotlSnVlqI40mo%3D' (2024-07-07)

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