tools(deps-dev): Update vimeo/psalm requirement from 6.8.8 to 6.8.9 in /tools/psalm (#538)

Updates the requirements on
[vimeo/psalm](https://github.com/vimeo/psalm) to permit the latest
version.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/vimeo/psalm/releases">vimeo/psalm's
releases</a>.</em></p>
<blockquote>
<h2>6.8.9</h2>
<!-- raw HTML omitted -->
<h2>What's Changed</h2>
<h3>Fixes</h3>
<ul>
<li>Fix polyfill version range by <a
href="https://github.com/danog"><code>@​danog</code></a> in <a
href="https://redirect.github.com/vimeo/psalm/pull/11345">vimeo/psalm#11345</a></li>
<li>Improve idn_to_* signatures for 8.4 by <a
href="https://github.com/danog"><code>@​danog</code></a> in <a
href="https://redirect.github.com/vimeo/psalm/pull/11351">vimeo/psalm#11351</a></li>
<li>push original callable when creating callable-object in order to
keep return type by <a
href="https://github.com/orklah"><code>@​orklah</code></a> in <a
href="https://redirect.github.com/vimeo/psalm/pull/11354">vimeo/psalm#11354</a></li>
</ul>
<h3>Internal changes</h3>
<ul>
<li>Small performance improvement by <a
href="https://github.com/danog"><code>@​danog</code></a> in <a
href="https://redirect.github.com/vimeo/psalm/pull/11348">vimeo/psalm#11348</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/vimeo/psalm/compare/6.8.8...6.8.9">https://github.com/vimeo/psalm/compare/6.8.8...6.8.9</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/vimeo/psalm/commit/e856423a5dc38d65e56b5792750c557277afe393"><code>e856423</code></a>
Merge pull request <a
href="https://redirect.github.com/vimeo/psalm/issues/11354">#11354</a>
from orklah/11062</li>
<li><a
href="https://github.com/vimeo/psalm/commit/d3f1ca8f18a11cd8888df98e30b2209106872784"><code>d3f1ca8</code></a>
push original callable when creating callable-object in order to keep
return ...</li>
<li><a
href="https://github.com/vimeo/psalm/commit/2251eb8f2178720821d23d6c99d55f10e7547d83"><code>2251eb8</code></a>
push original callable when creating callable-object in order to keep
return ...</li>
<li><a
href="https://github.com/vimeo/psalm/commit/c1f27c97c18ce4f608cd02d3d8d44dd94123d115"><code>c1f27c9</code></a>
Merge pull request <a
href="https://redirect.github.com/vimeo/psalm/issues/11351">#11351</a>
from vimeo/idn_to_ascii</li>
<li><a
href="https://github.com/vimeo/psalm/commit/6d3209c5678e2ffd4f2e7e51d0949b904bae05d1"><code>6d3209c</code></a>
Improve idn_to_* signatures for 8.4</li>
<li><a
href="https://github.com/vimeo/psalm/commit/fc437245b15a7220de107bc191a3559fdbf94595"><code>fc43724</code></a>
Merge pull request <a
href="https://redirect.github.com/vimeo/psalm/issues/11348">#11348</a>
from danog/small_performance_improvement</li>
<li><a
href="https://github.com/vimeo/psalm/commit/ed960e01525661cf280fa944e6bf55c51a1192ca"><code>ed960e0</code></a>
cs-fix</li>
<li><a
href="https://github.com/vimeo/psalm/commit/edcf56710e9a8344e4152175bd5d40710686b213"><code>edcf567</code></a>
Small performance improvement</li>
<li><a
href="https://github.com/vimeo/psalm/commit/2dcd753727c3bbb5a2c2cfa1c6fb67d9ababe914"><code>2dcd753</code></a>
Merge pull request <a
href="https://redirect.github.com/vimeo/psalm/issues/11345">#11345</a>
from vimeo/danog-patch-1</li>
<li><a
href="https://github.com/vimeo/psalm/commit/b18e56b99d690f3ca7f2da9e5b8853729bb9c771"><code>b18e56b</code></a>
Fix polyfill version range</li>
<li>See full diff in <a
href="https://github.com/vimeo/psalm/compare/6.8.8...6.8.9">compare
view</a></li>
</ul>
</details>
<br />

<details>
<summary>Most Recent Ignore Conditions Applied to This Pull
Request</summary>

| Dependency Name | Ignore Conditions |
| --- | --- |
| vimeo/psalm | [>= 5.a, < 6] |
</details>


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tools/psalm/composer.json

@@ -7,7 +7,7 @@
     },
     "require-dev": {
         "roave/security-advisories": "dev-latest",
-        "vimeo/psalm": "6.8.8"
+        "vimeo/psalm": "6.8.9"
     },
     "prefer-stable": true,
     "config": {