update astro to v5

src/pages/blog/[...slug].astro

@@ -1,18 +1,19 @@
 ---
 import { type CollectionEntry, getCollection } from 'astro:content';
 import BlogPost from '../../layouts/BlogPost.astro';
+import {render} from 'astro:content';
 
 export async function getStaticPaths() {
 	const posts = await getCollection('blog');
 	return posts.map((post) => ({
-		params: { slug: post.slug },
+		params: { slug: post.id },
 		props: post,
 	}));
 }
 type Props = CollectionEntry<'blog'>;
 
 const post = Astro.props;
-const { Content } = await post.render();
+const { Content } = await render(post);
 ---
 
 <BlogPost {...post.data}>

src/pages/blog/index.astro

@@ -94,7 +94,7 @@ const posts = (await getCollection("blog")).sort((a, b) =>
                     {
                         posts.map((post) => (
                             <li>
-                                <a href={`/blog/${post.slug}/`}>
+                                <a href={`/blog/${post.id}/`}>
                                     {post.data.heroImage &&
                                     <Image
                                         width={720}

src/pages/rss.xml.js

@@ -10,7 +10,7 @@ export async function GET(context) {
 		site: context.site,
 		items: posts.map((post) => ({
 			...post.data,
-			link: `/blog/${post.slug}/`,
+			link: `/blog/${post.id}/`,
 		})),
 	});
 }