Automated update: refresh ICEWatch data and site

Author: redshiftzero

docs/index.html

@@ -66,7 +66,7 @@
       </div>
     </main>
     <div id="last-updated">
-      last checked: 2026-05-11 | last updated: 2026-04-09
+      last checked: 2026-05-16 | last updated: 2026-04-09
     </div>
     <a
       id="logo-link"