docs: add new announcement

announcements-extra.json

@@ -1,7 +1,7 @@
 [
   {
-    "id": "#1227",
-    "title": "Issue(macOS): manual update to `1.90.x`",
-    "url": "https://github.com/VSCodium/vscodium/issues/1917"
+    "id": "#2358",
+    "title": "Wanted! Feedback for new website :)",
+    "url": "https://github.com/VSCodium/vscodium/discussions/2358"
   }
 ]