Bump deno_task_shell from 0.18.0 to 0.18.1 (#1633)

Bumps [deno_task_shell](https://github.com/denoland/deno_task_shell)
from 0.18.0 to 0.18.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/denoland/deno_task_shell/releases">deno_task_shell's
releases</a>.</em></p>
<blockquote>
<h2>0.18.1</h2>
<ul>
<li>fix: use current deno executable even when not named deno (<a
href="https://redirect.github.com/denoland/deno_task_shell/issues/123">#123</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/denoland/deno_task_shell/commit/86b6b3ad9cfd826a94162ffe247ffccdfbfe58ba"><code>86b6b3a</code></a>
0.18.1</li>
<li><a
href="https://github.com/denoland/deno_task_shell/commit/b62114caadee62b28bc5ecebd8edd320b5022021"><code>b62114c</code></a>
fix: use current deno executable even when not named deno (<a
href="https://redirect.github.com/denoland/deno_task_shell/issues/123">#123</a>)</li>
<li>See full diff in <a
href="https://github.com/denoland/deno_task_shell/compare/0.18.0...0.18.1">compare
view</a></li>
</ul>
</details>
<br />


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