fix: relocate May Sec blog post (#2361)

Author: UlisesGascon

_posts/2026-05-31-security-releases.md …nt/blog/2026-05-31-security-releases.mdx_posts/2026-05-31-security-releases.md renamed to src/content/blog/2026-05-31-security-releases.mdx _posts/2026-05-31-security-releases.md renamed to src/content/blog/2026-05-31-security-releases.mdx

@@ -1,17 +1,25 @@
 ---
 title: May 2026 Security Releases
 description: Security releases for multiparty have been published. We recommend that all users upgrade as soon as possible.
-tags: security vulnerabilities
+tags: ['security']
 authors:
   - name: Ulises Gascon
     github: UlisesGascon
 ---
 
+import Alert from '@components/primitives/Alert/Alert.astro';
+
 The Express team has released [multiparty](https://www.npmjs.com/package/multiparty) 4.3.0, addressing three denial of service vulnerabilities in the multipart form parser.
 
-{% include admonitions/warning.html
-content="We recommend upgrading to the latest version of multiparty to secure your applications."
-%}
+<Alert type="warning">
+
+We recommend upgrading to the latest version of multiparty to secure your applications. If you have a `package-lock.json`, you can update the dependency by running:
+
+```sh
+npm update multiparty
+```
+
+</Alert>
 
 The following vulnerabilities have been addressed: