chore(deps): bump nixpkgs from d233902 to d99b013 (#141)

Bumps [nixpkgs](https://github.com/NixOS/nixpkgs) from `d233902` to
`d99b013`.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/d99b013d5d1931ad77fe3912ed218170dec5d9a4"><code>d99b013</code></a>
cockpit-zfs: 1.2.26 -&gt; 1.2.27-3 (<a
href="https://redirect.github.com/NixOS/nixpkgs/issues/522106">#522106</a>)</li>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/419486fe198d655e709cb619199a6c70f7cf1646"><code>419486f</code></a>
mochi: 1.21.10 -&gt; 1.21.11 (<a
href="https://redirect.github.com/NixOS/nixpkgs/issues/522058">#522058</a>)</li>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/6f530b00e28031755466da6d375da5a252f831d0"><code>6f530b0</code></a>
sub-store-frontend: 2.16.97 -&gt; 2.17.8 (<a
href="https://redirect.github.com/NixOS/nixpkgs/issues/521832">#521832</a>)</li>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/de846747f74d169f83f9b7d4f321afbc6fc8961f"><code>de84674</code></a>
itgmaniaPackages.digital-dance: 1.1.3-unstable-2026-05-09 -&gt;
1.1.3-unstable-2...</li>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/e814c611a144332058a212df50189981e6d79688"><code>e814c61</code></a>
itgmaniaPackages.itg3encore: 0-unstable-2026-05-10 -&gt;
0-unstable-2026-05-18 (...</li>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/f6414a89eb381265b90b1f1279e0b1418de7be9a"><code>f6414a8</code></a>
gauge-unwrapped: 1.6.30 -&gt; 1.6.31 (<a
href="https://redirect.github.com/NixOS/nixpkgs/issues/522016">#522016</a>)</li>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/5bfc91af82ce89a0babec1a40bb90c516c0bc890"><code>5bfc91a</code></a>
gaugePlugins.js: 5.0.2 -&gt; 5.0.5 (<a
href="https://redirect.github.com/NixOS/nixpkgs/issues/522017">#522017</a>)</li>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/798a77fbb228d1ae3e51dd34198172f80de30a7e"><code>798a77f</code></a>
tmux: fix NULL deref in control_write on uninitialized control client
(<a
href="https://redirect.github.com/NixOS/nixpkgs/issues/521870">#521870</a>)</li>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/817e129d5dc6e3cafa0e326c938ff8cb82c843ea"><code>817e129</code></a>
gmailctl: 0.11.0 -&gt; 0.12.0 (<a
href="https://redirect.github.com/NixOS/nixpkgs/issues/522015">#522015</a>)</li>
<li><a
href="https://github.com/NixOS/nixpkgs/commit/c851438f497608150e675481dd18ef95e8df3720"><code>c851438</code></a>
ruby_4_0: 4.0.4 -&gt; 4.0.5 (<a
href="https://redirect.github.com/NixOS/nixpkgs/issues/522117">#522117</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/NixOS/nixpkgs/compare/d233902339c02a9c334e7e593de68855ad26c4cb...d99b013d5d1931ad77fe3912ed218170dec5d9a4">compare
view</a></li>
</ul>
</details>
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