fix broken cta url (#1077)

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Author: hypha

src/components/card/card.astro

@@ -32,7 +32,7 @@ const { title, subtitle, url, image } = Astro.props;
     </a>
     <slot />
   </div>
-  <a class="text-xs px-2 py-1 mt-4 bg-[#141F36] text-white rounded-[10px] inline-block w-fit mx-auto leading-4 hover:bg-button-hover not-prose mt-auto" href="{url}">
+  <a class="text-xs px-2 py-1 mt-4 bg-[#141F36] text-white rounded-[10px] inline-block w-fit mx-auto leading-4 hover:bg-button-hover not-prose mt-auto" href={url}>
     {subtitle}
     <span class="inline-block ml-1 font-system text-lg leading-4">
       ↗