flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/b73c2221a46c13557b1b3be9c2070cc42cf01eb3' (2024-07-27)
  → 'github:nixos/nixpkgs/c3aa7b8938b17aebd2deecf7be0636000d62a2b9' (2024-08-14)
• Updated input 'poetry2nixFlake':
    'github:nix-community/poetry2nix/d11c01e58587e5f21037ed6477465a7f26a32e27' (2024-07-15)
  → 'github:nix-community/poetry2nix/d650118bce34c0238b9b54f23f7f173f9e4db867' (2024-08-17)
• Updated input 'pre-commit-hooks':
    'github:cachix/pre-commit-hooks.nix/f451c19376071a90d8c58ab1a953c6e9840527fd' (2024-07-15)
  → 'github:cachix/pre-commit-hooks.nix/bfef0ada09e2c8ac55bbcd0831bd0c9d42e651ba' (2024-08-16)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/56baac5e6b2743d4730e664ea64f6d8a2aad0fbb' (2024-07-27)
  → 'github:oxalica/rust-overlay/07105b5f550665ff417487febcd6bf5dd071b931' (2024-08-17)