Bump @rollup/plugin-terser from 0.4.3 to 0.4.4 (#601)

Bumps
[@rollup/plugin-terser](https://github.com/rollup/plugins/tree/HEAD/packages/terser)
from 0.4.3 to 0.4.4.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/rollup/plugins/blob/master/packages/terser/CHANGELOG.md"><code>@​rollup/plugin-terser</code>'s
changelog</a>.</em></p>
<blockquote>
<h1><code>@​rollup/plugin-terser</code> ChangeLog</h1>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a
href="https://github.com/rollup/plugins/commits/HEAD/packages/terser">compare
view</a></li>
</ul>
</details>
<details>
<summary>Maintainer changes</summary>
<p>This version was pushed to npm by <a
href="https://www.npmjs.com/~lukastaegert">lukastaegert</a>, a new
releaser for <code>@​rollup/plugin-terser</code> since your current
version.</p>
</details>
<br />


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Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>