fix xml link

Author: KianNH

src/content/docs/fundamentals/api/reference/deprecations.mdx

@@ -14,7 +14,7 @@ import { ProductChangelog } from "~/components";
 Cloudflare occasionally makes updates to our APIs that result in behavior changes or deprecations. When this happens, we will communicate when the API will no longer be available and whether there will be a replacement.
 
 :::note
-Subscribe to all API deprecation posts via [RSS](/changelog/index.xml).
+Subscribe to all API deprecation posts via [RSS](/release-notes/index.xml).
 :::
 
 <ProductChangelog />