flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/037ab5f7adb317d22effc0f18f88c760eb87a7a9?narHash=sha256-224kvCZG/XAUC7Oaqf4FkdI8CV0ObUaTSRjLYg/s2RY%3D' (2024-06-01)
  → 'github:NixOS/nixpkgs/2249940a589f912bbbf7586c7d3f71f588dacdfd?narHash=sha256-MoItHaLKoO/JuKQF87XpcnQEIlyb/X/9ipU8SLMv6mw%3D' (2024-07-01)
• Updated input 'pre-commit-hooks':
    'github:cachix/pre-commit-hooks.nix/0e8fcc54b842ad8428c9e705cb5994eaf05c26a0?narHash=sha256-xrsYFST8ij4QWaV6HEokCUNIZLjjLP1bYC60K8XiBVA%3D' (2024-05-20)
  → 'github:cachix/pre-commit-hooks.nix/0ff4381bbb8f7a52ca4a851660fc7a437a4c6e07?narHash=sha256-F1h%2BXIsGKT9TkGO3omxDLEb/9jOOsI6NnzsXFsZhry4%3D' (2024-06-24)
• Updated input 'pre-commit-hooks/nixpkgs-stable':
    'github:NixOS/nixpkgs/614b4613980a522ba49f0d194531beddbb7220d3?narHash=sha256-3Eh7fhEID17pv9ZxrPwCLfqXnYP006RKzSs0JptsN84%3D' (2024-03-17)
  → 'github:NixOS/nixpkgs/03d771e513ce90147b65fe922d87d3a0356fc125?narHash=sha256-0Y8IrGhRmBmT7HHXlxxepg2t8j1X90%2B%2BqRN3lukGaIk%3D' (2024-06-19)