[Docs site] update wront link in astro framework guide (#21916)

Author: jsparkdev

src/content/docs/workers/frameworks/framework-guides/astro.mdx

@@ -36,7 +36,7 @@ import {
 
 [Astro](https://astro.build/) is a JavaScript web framework designed for creating websites that display large amounts of content (such as blogs, documentation sites, or online stores).
 
-Astro emphasizes performance through minimal client-side JavaScript - by default, it renders as much content as possible at build time, or (on-demand)[https://docs.astro.build/en/guides/on-demand-rendering/] on the "server" - this can be a Cloudflare Worker. [“Islands”](https://docs.astro.build/en/concepts/islands/) of JavaScript are added only where interactivity or personalization is needed.
+Astro emphasizes performance through minimal client-side JavaScript - by default, it renders as much content as possible at build time, or [on-demand](https://docs.astro.build/en/guides/on-demand-rendering/) on the "server" - this can be a Cloudflare Worker. [“Islands”](https://docs.astro.build/en/concepts/islands/) of JavaScript are added only where interactivity or personalization is needed.
 
 Astro is also framework-agnostic, and supports every major UI framework, including React, Preact, Svelte, Vue, SolidJS , via its official [integrations](https://astro.build/integrations/).