bot: Bump graphql from 16.8.0 to 16.8.1 in /playground (#1901)

Bumps [graphql](https://github.com/graphql/graphql-js) from 16.8.0 to
16.8.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/graphql/graphql-js/releases">graphql's
releases</a>.</em></p>
<blockquote>
<h2>v16.8.1 (2023-09-19)</h2>
<h4>Bug Fix 🐞</h4>
<ul>
<li><a
href="https://redirect.github.com/graphql/graphql-js/pull/3967">#3967</a>
OverlappingFieldsCanBeMergedRule: Fix performance degradation (<a
href="https://github.com/AaronMoat"><code>@​AaronMoat</code></a>)</li>
</ul>
<h4>Committers: 1</h4>
<ul>
<li>Aaron Moat(<a
href="https://github.com/AaronMoat"><code>@​AaronMoat</code></a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/graphql/graphql-js/commit/8a95335f545024c09abfa0f07cc326f73a0e466f"><code>8a95335</code></a>
16.8.1</li>
<li><a
href="https://github.com/graphql/graphql-js/commit/8f4c64eb6a7112a929ffeef00caa67529b3f2fcf"><code>8f4c64e</code></a>
OverlappingFieldsCanBeMergedRule: Fix performance degradation (<a
href="https://redirect.github.com/graphql/graphql-js/issues/3967">#3967</a>)</li>
<li>See full diff in <a
href="https://github.com/graphql/graphql-js/compare/v16.8.0...v16.8.1">compare
view</a></li>
</ul>
</details>
<br />


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Signed-off-by: dependabot[bot] <[email protected]>
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Co-authored-by: Shahzad Lone <[email protected]>

playground/package.json

@@ -13,7 +13,7 @@
     "@tanstack/react-query": "^4.35.3",
     "fast-json-patch": "^3.1.1",
     "graphiql": "^3.0.6",
-    "graphql": "^16.8.0",
+    "graphql": "^16.8.1",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-hook-form": "^7.46.1"