Fix media route cache-control to avoid Cloudflare stale caching

src/app/api/media/[...path]/route.ts

@@ -49,7 +49,7 @@ export async function GET(
 		headers: {
 			// eslint-disable-next-line security/detect-object-injection -- ext validated against ALLOWED_EXT
 			"Content-Type": mime[ext] ?? "application/octet-stream",
-			"Cache-Control": "public, max-age=86400",
+			"Cache-Control": "public, max-age=3600, must-revalidate",
 		},
 	});
 }