flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/c3aa7b8938b17aebd2deecf7be0636000d62a2b9?narHash=sha256-med8%2B5DSWa2UnOqtdICndjDAEjxr5D7zaIiK4pn0Q7c%3D' (2024-08-14)
  → 'github:NixOS/nixpkgs/c374d94f1536013ca8e92341b540eba4c22f9c62?narHash=sha256-Z/ELQhrSd7bMzTO8r7NZgi9g5emh%2BaRKoCdaAv5fiO0%3D' (2024-08-21)
• Updated input 'pre-commit-hooks':
    'github:cachix/pre-commit-hooks.nix/bfef0ada09e2c8ac55bbcd0831bd0c9d42e651ba?narHash=sha256-yezvUuFiEnCFbGuwj/bQcqg7RykIEqudOy/RBrId0pc%3D' (2024-08-16)
  → 'github:cachix/pre-commit-hooks.nix/c8a54057aae480c56e28ef3e14e4960628ac495b?narHash=sha256-9etXEOUtzeMgqg1u0wp%2BEdwG7RpmrAZ2yX516bMj2aE%3D' (2024-08-23)