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/58a1abdbae3217ca6b702f03d3b35125d88a2994' (2024-04-27)
  → 'github:NixOS/nixpkgs/4c2fcb090b1f3e5b47eaa7bd33913b574a11e0a0' (2024-10-18)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/3e416d5067ba31ff8ac31eeb763e4388bdf45089' (2024-05-02)
  → 'github:oxalica/rust-overlay/b259ef799b5ac014604da71ecd92d4a52603ed2d' (2024-10-19)
• Removed input 'rust-overlay/flake-utils'
• Removed input 'rust-overlay/flake-utils/systems'
• Updated input 'rust-overlay/nixpkgs':
    'github:NixOS/nixpkgs/90f456026d284c22b3e3497be980b2e47d0b28ac' (2024-01-29)
  → 'github:NixOS/nixpkgs/b69de56fac8c2b6f8fd27f2eca01dcda8e0a4221' (2024-10-10)

Author: github-actions[bot]