flake.lock: Update (#1560)

Automated changes by the
[update-flake-lock](https://github.com/DeterminateSystems/update-flake-lock)
GitHub Action.

```
Flake lock file updates:

• Updated input 'nix-pills':
    'github:NixOS/nix-pills/42532b09a3ad71a4ef7044a5f3cc0644ec11305d?narHash=sha256-IiOFAILD3Ol7myLrWS6mtL%2BDCPMWny6d46ZHfhvvHBo%3D' (2024-04-17)
  → 'github:NixOS/nix-pills/3de6eec231cae251366b79d641e2f9110470c6ff?narHash=sha256-JVQfrMqXB4w2K5oB/vY0B0O/si5AZyQ/xS9j3cDrYEU%3D' (2024-10-08)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/bc947f541ae55e999ffdb4013441347d83b00feb?narHash=sha256-NOiTvBbRLIOe5F6RbHaAh6%2B%2BBNjsb149fGZd1T4%2BKBg%3D' (2024-10-04)
  → 'github:NixOS/nixpkgs/5633bcff0c6162b9e4b5f1264264611e950c8ec7?narHash=sha256-9UTxR8eukdg%2BXZeHgxW5hQA9fIKHsKCdOIUycTryeVw%3D' (2024-10-09)
• Updated input 'released-nix-unstable':
    'github:nixos/nix/5e5c97962ce369edcf9ef2d48f0c5cf4baa65035?narHash=sha256-%2B7Sc73TQ6WCB7VIXS3almW1H/tJbXrX3hPy4ZXvemWw%3D' (2024-10-05)
  → 'github:nixos/nix/30c4f5eb51c31f1beaef0f78f410404b48899664?narHash=sha256-6T%2BvExVuvVUgGirgKpk5Z37ixPViubqCK1fwu59/TYg%3D' (2024-10-12)
• Updated input 'released-nixpkgs-stable':
    'github:NixOS/nixpkgs/6e6b3dd395c3b1eb9be9f2d096383a8d05add030?narHash=sha256-/uJcVXuBt%2BVFCPQIX%2B4YnYrHaubJSx4HoNsJVNRgANM%3D' (2024-10-04)
  → 'github:NixOS/nixpkgs/c505ebf777526041d792a49d5f6dd4095ea391a7?narHash=sha256-r%2BSF9AnHrTg%2Bbk6YszoKfV9lgyw%2ByaFUQe0dOjI0Z2o%3D' (2024-10-11)
• Updated input 'released-nixpkgs-unstable':
    'github:NixOS/nixpkgs/bc947f541ae55e999ffdb4013441347d83b00feb?narHash=sha256-NOiTvBbRLIOe5F6RbHaAh6%2B%2BBNjsb149fGZd1T4%2BKBg%3D' (2024-10-04)
  → 'github:NixOS/nixpkgs/5633bcff0c6162b9e4b5f1264264611e950c8ec7?narHash=sha256-9UTxR8eukdg%2BXZeHgxW5hQA9fIKHsKCdOIUycTryeVw%3D' (2024-10-09)
```

### Running GitHub Actions on this PR

GitHub Actions will not run workflows on pull requests which are opened
by a GitHub Action.

To run GitHub Actions workflows on this PR, run:

```sh
git branch -D update_flake_lock_action
git fetch origin
git checkout update_flake_lock_action
git commit --amend --no-edit
git push origin update_flake_lock_action --force
```

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