tools(deps-dev): Update icanhazstring/composer-unused requirement from 0.9.2 to 0.9.3 in /tools/composer-unused (#531)

Updates the requirements on
[icanhazstring/composer-unused](https://github.com/composer-unused/composer-unused)
to permit the latest version.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/composer-unused/composer-unused/releases">icanhazstring/composer-unused's
releases</a>.</em></p>
<blockquote>
<h2>0.9.3</h2>
<h2>What's Changed</h2>
<ul>
<li>github-actions(deps): bump shivammathur/setup-php from 2.30.0 to
2.32.0 in the dependencies group by <a
href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a
href="https://redirect.github.com/composer-unused/composer-unused/pull/676">composer-unused/composer-unused#676</a></li>
<li>chore: Require new symbol-parser version by <a
href="https://github.com/icanhazstring"><code>@​icanhazstring</code></a>
in <a
href="https://redirect.github.com/composer-unused/composer-unused/pull/678">composer-unused/composer-unused#678</a></li>
<li>chore: Update phpstan dependencies by <a
href="https://github.com/icanhazstring"><code>@​icanhazstring</code></a>
in <a
href="https://redirect.github.com/composer-unused/composer-unused/pull/679">composer-unused/composer-unused#679</a></li>
<li>chore: Update symbol-parser to solve php8.4 issue by <a
href="https://github.com/icanhazstring"><code>@​icanhazstring</code></a>
in <a
href="https://redirect.github.com/composer-unused/composer-unused/pull/682">composer-unused/composer-unused#682</a></li>
<li>Issue_<a
href="https://redirect.github.com/composer-unused/composer-unused/issues/607">#607</a>:
set unused command as default while not other commands ar… by <a
href="https://github.com/MarcinGladkowski"><code>@​MarcinGladkowski</code></a>
in <a
href="https://redirect.github.com/composer-unused/composer-unused/pull/608">composer-unused/composer-unused#608</a></li>
<li>feat: Only run phar signature check on main repository PRs by <a
href="https://github.com/icanhazstring"><code>@​icanhazstring</code></a>
in <a
href="https://redirect.github.com/composer-unused/composer-unused/pull/684">composer-unused/composer-unused#684</a></li>
<li>Add a compact formatter by <a
href="https://github.com/gisostallenberg"><code>@​gisostallenberg</code></a>
in <a
href="https://redirect.github.com/composer-unused/composer-unused/pull/683">composer-unused/composer-unused#683</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a
href="https://github.com/gisostallenberg"><code>@​gisostallenberg</code></a>
made their first contribution in <a
href="https://redirect.github.com/composer-unused/composer-unused/pull/683">composer-unused/composer-unused#683</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/composer-unused/composer-unused/compare/0.9.2...0.9.3">https://github.com/composer-unused/composer-unused/compare/0.9.2...0.9.3</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/composer-unused/composer-unused/commit/da5212b085d279ddeca19e007edf98e93b867724"><code>da5212b</code></a>
Add a compact formatter</li>
<li><a
href="https://github.com/composer-unused/composer-unused/commit/61b965df12cbd6c84028befb72244eb2b684ec0a"><code>61b965d</code></a>
feat: Only run phar signature check on main repository PRs</li>
<li><a
href="https://github.com/composer-unused/composer-unused/commit/afa144bebc262ebd191b4f0cf09bd3db846a875d"><code>afa144b</code></a>
Issue_<a
href="https://redirect.github.com/composer-unused/composer-unused/issues/607">#607</a>:
set unused command as default while not other commands ar… (<a
href="https://redirect.github.com/composer-unused/composer-unused/issues/608">#608</a>)</li>
<li><a
href="https://github.com/composer-unused/composer-unused/commit/cfbf47779974e44b0d1e0b533fa5b752cd46ef10"><code>cfbf477</code></a>
chore: Update symbol-parser to solve php8.4 issue</li>
<li><a
href="https://github.com/composer-unused/composer-unused/commit/15d9c69262a7f29269204cee78eb835629d40ecc"><code>15d9c69</code></a>
chore: Update phpstan dependencies</li>
<li><a
href="https://github.com/composer-unused/composer-unused/commit/3a80f8f6a8fb318a0bfcd015cdd049bd17e2fbd6"><code>3a80f8f</code></a>
chore: Cleanup unused classes and tidy progress class</li>
<li><a
href="https://github.com/composer-unused/composer-unused/commit/73ecbd4b5e3fdb50c7f20e4f9b0a5fad7967353b"><code>73ecbd4</code></a>
chore: Add gpg key to phive installation</li>
<li><a
href="https://github.com/composer-unused/composer-unused/commit/8111caeceeb9dd019004723ed2a4db9284cbf735"><code>8111cae</code></a>
chore: Require new symbol-parser version</li>
<li><a
href="https://github.com/composer-unused/composer-unused/commit/e0f6cb63e11ac0f99b4f517c82f70ca3c94aee17"><code>e0f6cb6</code></a>
github-actions(deps): bump shivammathur/setup-php</li>
<li><a
href="https://github.com/composer-unused/composer-unused/commit/11653d59dc0bedaf617226dd0434f5cd61289f35"><code>11653d5</code></a>
chore: Remove composer plugin link from readme</li>
<li>See full diff in <a
href="https://github.com/composer-unused/composer-unused/compare/0.9.2...0.9.3">compare
view</a></li>
</ul>
</details>
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tools/composer-unused/composer.json

@@ -6,7 +6,7 @@
         "php": "^8.1.31"
     },
     "require-dev": {
-        "icanhazstring/composer-unused": "0.9.2",
+        "icanhazstring/composer-unused": "0.9.3",
         "roave/security-advisories": "dev-latest"
     },
     "prefer-stable": true,