Fix rss.xml imports

src/pages/rss.xml.ts

···
 import { getCollection } from "astro:content";
 import { getRssString } from "@astrojs/rss";
-import type { APIRoute } from "astro";
+import type { APIRoute, ImageMetadata } from "astro";
 import { experimental_AstroContainer } from "astro/container";
-
-import image from "/content/blog/assets/nested.png";
-image.format;
 
 const container = await experimental_AstroContainer.create();