Update flake.lock (#412)

flake.lock: Update

Flake lock file updates:

• Updated input 'flake-compat':
    'github:edolstra/flake-compat/35bb57c0c8d8b62bbfd284272c928ceb64ddbde9' (2023-01-17)
  → 'github:edolstra/flake-compat/4f910c9827911b1ec2bf26b5a062cd09f8d89f85' (2023-10-02)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/5148520bfab61f99fd25fb9ff7bfbb50dad3c9db' (2023-09-17)
  → 'github:NixOS/nixpkgs/0c7ffbc66e6d78c50c38e717ec91a2a14e0622fb' (2023-10-02)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/b87a14abea512d956f0b89d0d8a1e9b41f3e20ff' (2023-09-18)
  → 'github:oxalica/rust-overlay/611ccdceed92b4d94ae75328148d84ee4a5b462d' (2023-10-03)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>