flake.lock: Update

Flake lock file updates:

• Updated input 'flake-utils':
    'github:numtide/flake-utils/b1d9ab70662946ef0850d488da1c9019f3a9752a' (2024-03-11)
  → 'github:numtide/flake-utils/c1dfcf08411b08f6b8615f7d8971a2bfa81d5e8a' (2024-09-17)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/c374d94f1536013ca8e92341b540eba4c22f9c62' (2024-08-21)
  → 'github:nixos/nixpkgs/c04d5652cfa9742b1d519688f65d1bbccea9eb7e' (2024-09-19)
• Updated input 'pre-commit-hooks':
    'github:cachix/pre-commit-hooks.nix/6cedaa7c1b4f82a266e5d30f212273e60d62cb0d' (2024-08-21)
  → 'github:cachix/pre-commit-hooks.nix/4e743a6920eab45e8ba0fbe49dc459f1423a4b74' (2024-09-19)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/a18034322c7703fcfe5d7352a77981ba4a936a61' (2024-08-23)
  → 'github:oxalica/rust-overlay/a66e16cb21e4428224925dbf1b66238c727dda0a' (2024-09-21)