Bump vimeo/psalm from 4.6.3 to 4.6.4 (#331)

Bumps [vimeo/psalm](https://github.com/vimeo/psalm) from 4.6.3 to 4.6.4.
<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>Fix small API regression</h2>
<p><code>IssueBuffer::finish</code> had a small undocumented API change – that change is reverted here (<a href="https://github.com/vimeo/psalm/issues/5410">#5410</a>).</p>
<p>Bugfixes:</p>
<ul>
<li><a href="https://github.com/orklah"><code>@​orklah</code></a> improved the return type of <code>array_combine</code> and <code>iterator_to_array</code> (<a href="https://github.com/vimeo/psalm/issues/5393">#5393</a>, <a href="https://github.com/vimeo/psalm/issues/5400">#5400</a>)</li>
<li>Promoted properties are no longer counted as unused params — thanks <a href="https://github.com/weirdan"><code>@​weirdan</code></a> (<a href="https://github.com/vimeo/psalm/issues/5404">#5404</a>)</li>
<li><a href="https://github.com/theodorejb"><code>@​theodorejb</code></a> improved the type of DOMElement::childNodes (<a href="https://github.com/vimeo/psalm/issues/5403">#5403</a>)</li>
<li>Property invariance checks are now disabled for properties with templates — thanks <a href="https://github.com/AndrolGenhald"><code>@​AndrolGenhald</code></a> (<a href="https://github.com/vimeo/psalm/issues/5380">#5380</a>)</li>
<li><a href="https://github.com/orklah"><code>@​orklah</code></a> fixed scalar-to-string reconciliation inside templates (<a href="https://github.com/vimeo/psalm/issues/5402">#5402</a>)</li>
<li>Fixed a regression asserting on templated arrays and generic objects (<a href="https://github.com/vimeo/psalm/issues/5406">#5406</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/vimeo/psalm/commit/97fe86c4e158b5a57c5150aa5055c38b5a809aab"><code>97fe86c</code></a> Fix BC break introduced in 4.6.3 (<a href="https://github.com/vimeo/psalm/issues/5410">#5410</a>)</li>
<li><a href="https://github.com/vimeo/psalm/commit/9d979e3467b623a69b69a5427884f519e61f7d73"><code>9d979e3</code></a> Fix <a href="https://github.com/vimeo/psalm/issues/5406">#5406</a> - track more changes to assertion type</li>
<li><a href="https://github.com/vimeo/psalm/commit/2777b62d0bc38ae439aedea338c5a6dd23cb7db5"><code>2777b62</code></a> String can be reconciled with Scalar (<a href="https://github.com/vimeo/psalm/issues/5402">#5402</a>)</li>
<li><a href="https://github.com/vimeo/psalm/commit/11490508173c8e6be7f46724a70ca429caf96201"><code>1149050</code></a> adapt bcdiv for PHP8 in stubs (<a href="https://github.com/vimeo/psalm/issues/5401">#5401</a>)</li>
<li><a href="https://github.com/vimeo/psalm/commit/ff5a6cb2974995d73ba2443fc6dc0b7b95ef7906"><code>ff5a6cb</code></a> iterator_to_array must always return array-key (<a href="https://github.com/vimeo/psalm/issues/5400">#5400</a>)</li>
<li><a href="https://github.com/vimeo/psalm/commit/1a3ff5676aee987c35eebac1119ff306ac05f67f"><code>1a3ff56</code></a> fix stub for array_combine + remove false in PHP8 + improve tests (<a href="https://github.com/vimeo/psalm/issues/5395">#5395</a>)</li>
<li><a href="https://github.com/vimeo/psalm/commit/9d840ee87bceb66b791b42f9d51f285d125fdbf2"><code>9d840ee</code></a> Disable property invariance checks for properties with templates (<a href="https://github.com/vimeo/psalm/issues/5380">#5380</a>)</li>
<li><a href="https://github.com/vimeo/psalm/commit/5b9efd579de000a98af42eec52e2dcb7d3573cd3"><code>5b9efd5</code></a> Fix type of DomElement childNodes property (<a href="https://github.com/vimeo/psalm/issues/5403">#5403</a>)</li>
<li><a href="https://github.com/vimeo/psalm/commit/ae247d09a3de23ea015c7a2b4bebac1388954953"><code>ae247d0</code></a> Don't mark promoted properties as unused params (<a href="https://github.com/vimeo/psalm/issues/5404">#5404</a>)</li>
<li><a href="https://github.com/vimeo/psalm/commit/817d1cf3fe9f3e3141bcb7f0a5734d2714ecdf78"><code>817d1cf</code></a> Fix <a href="https://github.com/vimeo/psalm/issues/5408">#5408</a> - avoid nullref when parser param cannot be found</li>
<li>Additional commits viewable in <a href="https://github.com/vimeo/psalm/compare/4.6.3...4.6.4">compare view</a></li>
</ul>
</details>
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