Upgraded to Astro 5.2.5 and fixed content collections

src/pages/blog/index.astro

@@ -25,7 +25,7 @@ blogEntries.sort(
       blogEntries.map((post) => (
         <BlogCard
           url="blog"
-          slug={post.slug}
+          slug={post.id}
           title={post.data.title}
           pubdate={post.data.pubDate}
           description={post.data.description}