flake.lock: Update (#1613)

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

```
Flake lock file updates:

• Updated input 'git-hooks-nix':
    'github:cachix/git-hooks.nix/c2b3567b03baf0999a1dd14f7e7ab34b46297d68?narHash=sha256-nIweyhgHbDMJSH6zlciTe2abEzDKWkW28B6/qM9UWOU%3D' (2024-12-14)
  → 'github:cachix/git-hooks.nix/f0f0dc4920a903c3e08f5bdb9246bb572fcae498?narHash=sha256-ulZN7ps8nBV31SE%2BdwkDvKIzvN6hroRY8sYOT0w%2BE28%3D' (2024-12-21)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/5d67ea6b4b63378b9c13be21e2ec9d1afc921713?narHash=sha256-Pj39hSoUA86ZePPF/UXiYHHM7hMIkios8TYG29kQT4g%3D' (2024-12-11)
  → 'github:NixOS/nixpkgs/d3c42f187194c26d9f0309a8ecc469d6c878ce33?narHash=sha256-cHar1vqHOOyC7f1%2BtVycPoWTfKIaqkoe1Q6TnKzuti4%3D' (2024-12-17)
• Updated input 'released-nix-unstable':
    'github:nixos/nix/6a238030665a44f042c60f2e4d393f42c7b578d2?narHash=sha256-m0OTtihPC1Chscb1BDFebDzL6o3CYbegssNKy28mkHI%3D' (2024-12-14)
  → 'github:nixos/nix/f72752c0dc6547b1568a9ef46deba875e38fada2?narHash=sha256-NyQErDMVmRB0xPLLylZcw1mIBH3d8bSue8Fp%2BvRBLso%3D' (2024-12-20)
• Updated input 'released-nixpkgs-stable':
    'github:NixOS/nixpkgs/314e12ba369ccdb9b352a4db26ff419f7c49fa84?narHash=sha256-5fNndbndxSx5d%2BC/D0p/VF32xDiJCJzyOqorOYW4JEo%3D' (2024-12-13)
  → 'github:NixOS/nixpkgs/1c6e20d41d6a9c1d737945962160e8571df55daa?narHash=sha256-GIMyMt1pkkoXdCq9un859bX6YQZ/iYtukb9R5luazLM%3D' (2024-12-20)
• Updated input 'released-nixpkgs-unstable':
    'github:NixOS/nixpkgs/5d67ea6b4b63378b9c13be21e2ec9d1afc921713?narHash=sha256-Pj39hSoUA86ZePPF/UXiYHHM7hMIkios8TYG29kQT4g%3D' (2024-12-11)
  → 'github:NixOS/nixpkgs/d3c42f187194c26d9f0309a8ecc469d6c878ce33?narHash=sha256-cHar1vqHOOyC7f1%2BtVycPoWTfKIaqkoe1Q6TnKzuti4%3D' (2024-12-17)
```

### 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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