flake.lock: Update

Flake lock file updates:

• Updated input 'nixlib':
    'github:nix-community/nixpkgs.lib/1418bc28a52126761c02dd3d89b2d8ca0f521181?narHash=sha256-tmpqTSWVRJVhpvfSN9KXBvKEXplrwKnSZNAoNPf/S/s%3D' (2025-01-12)
  → 'github:nix-community/nixpkgs.lib/02e72200e6d56494f4a7c0da8118760736e41b60?narHash=sha256-AjhoyBL4eSyXf01Bmc6DiuaMrJRNdWopmdnMY0Pa/M0%3D' (2025-08-03)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/2f9e2f85cb14a46410a1399aa9ea7ecf433e422e?narHash=sha256-FWlPMUzp0lkQBdhKlPqtQdqmp%2B/C%2B1MBiEytaYfrCTY%3D' (2025-01-12)
  → 'github:NixOS/nixpkgs/a683adc19ff5228af548c6539dbc3440509bfed3?narHash=sha256-fbnmAwTQkuXHKBlcL5Nq1sMAzd3GFqCOQgEQw6Hy0Ak%3D' (2025-08-05)

Author: github-actions[bot]