build(deps): bump @next/mdx from 15.2.4 to 15.3.1 in /website (#8837)

Bumps
[@next/mdx](https://github.com/vercel/next.js/tree/HEAD/packages/next-mdx)
from 15.2.4 to 15.3.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/vercel/next.js/releases"><code>@​next/mdx</code>'s
releases</a>.</em></p>
<blockquote>
<h2>v15.3.1</h2>
<blockquote>
<p>[!NOTE]<br />
This release is backporting bug fixes. It does <strong>not</strong>
include all pending features/changes on canary.</p>
</blockquote>
<h3>Core Changes</h3>
<ul>
<li>chore: Backport SWC-based RC optimization (<a
href="https://github.com/vercel/next.js/tree/HEAD/packages/next-mdx/issues/78260">#78260</a>)</li>
<li>fix: bump image-size@1.2.1 (<a
href="https://github.com/vercel/next.js/tree/HEAD/packages/next-mdx/issues/78164">#78164</a>)</li>
</ul>
<h3>Credits</h3>
<p>Huge thanks to <a
href="https://github.com/kdy1"><code>@​kdy1</code></a> and <a
href="https://github.com/styfle"><code>@​styfle</code></a> for
helping!</p>
<h2>v15.3.1-canary.14</h2>
<h3>Core Changes</h3>
<ul>
<li>Add graceful error boundary for bots requests: <a
href="https://github.com/vercel/next.js/tree/HEAD/packages/next-mdx/issues/78298">#78298</a></li>
<li>make sure eslint-plugin-next is built when running 'pnpm dev': <a
href="https://github.com/vercel/next.js/tree/HEAD/packages/next-mdx/issues/78305">#78305</a></li>
<li>Migrate pages API routes to handler interface: <a
href="https://github.com/vercel/next.js/tree/HEAD/packages/next-mdx/issues/78166">#78166</a></li>
<li>Update middleware public/static matching: <a
href="https://github.com/vercel/next.js/tree/HEAD/packages/next-mdx/issues/78325">#78325</a></li>
<li>Fix dynamic route param encoding: <a
href="https://github.com/vercel/next.js/tree/HEAD/packages/next-mdx/issues/78326">#78326</a></li>
</ul>
<h3>Misc Changes</h3>
<ul>
<li>fix(turbopack): Fix duplicate modules when tree shaking: true: <a
href="https://github.com/vercel/next.js/tree/HEAD/packages/next-mdx/issues/78203">#78203</a></li>
<li>test: try to fix flakiness in amphtml util: <a
href="https://github.com/vercel/next.js/tree/HEAD/packages/next-mdx/issues/78304">#78304</a></li>
<li>remove BrowserInterface: <a
href="https://github.com/vercel/next.js/tree/HEAD/packages/next-mdx/issues/78308">#78308</a></li>
</ul>
<h3>Credits</h3>
<p>Huge thanks to <a
href="https://github.com/kdy1"><code>@​kdy1</code></a>, <a
href="https://github.com/huozhi"><code>@​huozhi</code></a>, <a
href="https://github.com/lubieowoce"><code>@​lubieowoce</code></a>, and
<a href="https://github.com/ijjk"><code>@​ijjk</code></a> for
helping!</p>
<h2>v15.3.1-canary.13</h2>
<h3>Core Changes</h3>
<ul>
<li><code>@next/mdx</code>: Use stable turbopack config options: <a
href="https://github.com/vercel/next.js/tree/HEAD/packages/next-mdx/issues/78261">#78261</a></li>
<li>Upgrade React from <code>b04254fd-20250415</code> to
<code>4a36d3ea-20250416</code>: <a
href="https://github.com/vercel/next.js/tree/HEAD/packages/next-mdx/issues/78297">#78297</a></li>
</ul>
<h3>Misc Changes</h3>
<ul>
<li>Turbopack: fix duplicate unsupported edge import modules: <a
href="https://github.com/vercel/next.js/tree/HEAD/packages/next-mdx/issues/78236">#78236</a></li>
<li>Turbopack: Include Next.js version in panic handler report: <a
href="https://github.com/vercel/next.js/tree/HEAD/packages/next-mdx/issues/78263">#78263</a></li>
</ul>
<h3>Credits</h3>
<p>Huge thanks to <a
href="https://github.com/wbinnssmith"><code>@​wbinnssmith</code></a> and
<a href="https://github.com/mischnic"><code>@​mischnic</code></a> for
helping!</p>
<h2>v15.3.1-canary.12</h2>
<h3>Core Changes</h3>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="fa536cf2c9"><code>fa536cf</code></a>
v15.3.1</li>
<li><a
href="b2ff04995b"><code>b2ff049</code></a>
v15.3.0</li>
<li><a
href="60bfe64295"><code>60bfe64</code></a>
v15.3.0-canary.46</li>
<li><a
href="f71c4a1582"><code>f71c4a1</code></a>
v15.3.0-canary.45</li>
<li><a
href="4451bae75d"><code>4451bae</code></a>
v15.3.0-canary.44</li>
<li><a
href="87d7d8eb7a"><code>87d7d8e</code></a>
v15.3.0-canary.43</li>
<li><a
href="82ab39f801"><code>82ab39f</code></a>
v15.3.0-canary.42</li>
<li><a
href="8f1409d6ce"><code>8f1409d</code></a>
v15.3.0-canary.41</li>
<li><a
href="2139369821"><code>2139369</code></a>
v15.3.0-canary.40</li>
<li><a
href="66514a6bc8"><code>66514a6</code></a>
v15.3.0-canary.39</li>
<li>Additional commits viewable in <a
href="https://github.com/vercel/next.js/commits/v15.3.1/packages/next-mdx">compare
view</a></li>
</ul>
</details>
<br />


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website/package.json

@@ -15,7 +15,7 @@
     "@docsearch/react": "^3.9.0",
     "@mdx-js/loader": "^3.1.0",
     "@mdx-js/react": "^3.1.0",
-    "@next/mdx": "~15.2.4",
+    "@next/mdx": "~15.3.1",
     "@next/third-parties": "^15.1.6",
     "@types/mdx": "^2.0.13",
     "@types/mixpanel-browser": "^2.54.0",

website/pnpm-lock.yaml

@@ -18,8 +18,8 @@ importers:
         specifier: ^3.1.0
         version: 3.1.0(@types/react@18.3.11)(react@18.3.1)
       '@next/mdx':
-        specifier: ~15.2.4
-        version: 15.2.4(@mdx-js/loader@3.1.0(acorn@8.14.0)(webpack@5.92.0))(@mdx-js/react@3.1.0(@types/react@18.3.11)(react@18.3.1))
+        specifier: ~15.3.1
+        version: 15.3.1(@mdx-js/loader@3.1.0(acorn@8.14.0)(webpack@5.92.0))(@mdx-js/react@3.1.0(@types/react@18.3.11)(react@18.3.1))
       '@next/third-parties':
         specifier: ^15.1.6
         version: 15.1.6(next@14.2.26(react-dom@18.3.1(react@18.3.1))(react@18.3.1))(react@18.3.1)
@@ -308,8 +308,8 @@ packages:
   '@next/env@14.2.26':
     resolution: {integrity: sha512-vO//GJ/YBco+H7xdQhzJxF7ub3SUwft76jwaeOyVVQFHCi5DCnkP16WHB+JBylo4vOKPoZBlR94Z8xBxNBdNJA==}
 
-  '@next/mdx@15.2.4':
-    resolution: {integrity: sha512-/T4iJYAbryNW9v5+8UHecSH524wUMgxl5ZHHklt9oXdtbb+tIW6LsRYtiderr4mK9GUDSNFrxN+UNlGJysNhxg==}
+  '@next/mdx@15.3.1':
+    resolution: {integrity: sha512-dnpuJRfqqCPFfLDy2hIej41JAl424zk1JOgRd7jjWu2aTeX6oi0gXdcnMAK4lhf7Xl9zSkL2stzDc1YtlB1xyg==}
     peerDependencies:
       '@mdx-js/loader': '>=0.15.0'
       '@mdx-js/react': '>=0.15.0'
@@ -2216,7 +2216,7 @@ snapshots:
 
   '@next/env@14.2.26': {}
 
-  '@next/mdx@15.2.4(@mdx-js/loader@3.1.0(acorn@8.14.0)(webpack@5.92.0))(@mdx-js/react@3.1.0(@types/react@18.3.11)(react@18.3.1))':
+  '@next/mdx@15.3.1(@mdx-js/loader@3.1.0(acorn@8.14.0)(webpack@5.92.0))(@mdx-js/react@3.1.0(@types/react@18.3.11)(react@18.3.1))':
     dependencies:
       source-map: 0.7.4
     optionalDependencies: