⬆️ Bump cachix/cachix-action from 12 to 13 (#4793)

Bumps [cachix/cachix-action](https://github.com/cachix/cachix-action) from 12 to 13.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/cachix/cachix-action/releases">cachix/cachix-action's releases</a>.</em></p>
<blockquote>
<h2>cachix-action-v13</h2>
<ul>
<li>run on node20</li>
<li>add <code>skipAddingSubstituter</code> to skip running <code>cachix use</code></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="6a2e08b5eb"><code>6a2e08b</code></a> Merge pull request <a href="https://redirect.github.com/cachix/cachix-action/issues/158">#158</a> from cachix/bump-node</li>
<li><a href="e98f643462"><code>e98f643</code></a> Commit dist</li>
<li><a href="2025bdaff1"><code>2025bda</code></a> Bump node in devenv</li>
<li><a href="6d013b15ef"><code>6d013b1</code></a> Bump dependencies</li>
<li><a href="33393dc192"><code>33393dc</code></a> Update tsconfig</li>
<li><a href="1ad072581d"><code>1ad0725</code></a> Merge pull request <a href="https://redirect.github.com/cachix/cachix-action/issues/156">#156</a> from cachix/dependabot/github_actions/cachix/install-...</li>
<li><a href="70d2b7fe3d"><code>70d2b7f</code></a> Merge pull request <a href="https://redirect.github.com/cachix/cachix-action/issues/157">#157</a> from cachix/dependabot/github_actions/actions/checkout-4</li>
<li><a href="d0ac1486c5"><code>d0ac148</code></a> Run on node20</li>
<li><a href="fe4b2e9abc"><code>fe4b2e9</code></a> chore(deps): bump actions/checkout from 3 to 4</li>
<li><a href="8d53462873"><code>8d53462</code></a> chore(deps): bump cachix/install-nix-action from 22 to 23</li>
<li>Additional commits viewable in <a href="https://github.com/cachix/cachix-action/compare/v12...v13">compare view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=cachix/cachix-action&package-manager=github_actions&previous-version=12&new-version=13)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

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</details>

.github/workflows/ci.yml

@@ -493,7 +493,7 @@ jobs:
       # I could not find a way to install tree-grepper without nix
       # https://github.com/BrianHicks/tree-grepper/issues/293
       - uses: cachix/install-nix-action@v24
-      - uses: cachix/cachix-action@v12
+      - uses: cachix/cachix-action@v13
         with:
             name: tree-grepper
       - run: nix-env -if https://github.com/BrianHicks/tree-grepper/archive/refs/heads/main.tar.gz