update name

Author: kodster28

src/components/AvailableChangelogFeeds.astro

@@ -95,7 +95,7 @@ const productsByGroup = Object.entries(
 					</p>
 				</Aside>
 			)}
-			{group === "Cloudflare essentials" && (
+			{group === "Core platform" && (
 				<Aside type="note" title="API deprecations feed">
 					<p>
 						Cloudflare also maintains a separate{" "}