chore(flake.lock): Update all Flake inputs (2024-10-20)

```
• Updated input 'nixos-modules':
    'github:metacraft-labs/nixos-modules/8e1158421a2be7183673121b0faf79016e9b4a47?narHash=sha256-fJK7IsOGyTBJ4Cei9VSGHpZyZ1ffNoL85TBdP/92qFc%3D' (2024-09-02)
  → 'github:metacraft-labs/nixos-modules/9af27f08cdaa96921507e866d828a11b6cc5ed63?narHash=sha256-9pcnGn2%2B7qlkvHXFMcL%2Baof2Z6xUPtBaKPET0a1O3rM%3D' (2024-09-08)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/a10c8092d5f82622be79ed4dd12289f72011f850?narHash=sha256-0A5ZP8uDCyBdYUzayZfy6JFdTefP79oZVAjyqA/yuSI%3D' (2024-09-02)
  → 'github:oxalica/rust-overlay/b259ef799b5ac014604da71ecd92d4a52603ed2d?narHash=sha256-H7KGGJUU9BcDNnfXiATBGgs6FJKWQdfftNJS%2B/v2aMU%3D' (2024-10-19)
```

Author: beep boop