feat: update vote announcements [skip ci]

announcements-extra.json

@@ -1,12 +1,12 @@
 [
   {
-    "id": "#1477",
-    "title": "🗳️ Vote: Linux Icon",
-    "url": "https://github.com/VSCodium/vscodium/discussions/1477"
+    "id": "#1488",
+    "title": "🗳️ [Icon][Linux] Semi-Finale Poll",
+    "url": "https://github.com/VSCodium/vscodium/discussions/1488"
   },
   {
-    "id": "#1478",
-    "title": "🗳️ Vote: Windows Icon",
-    "url": "https://github.com/VSCodium/vscodium/discussions/1478"
+    "id": "#1489",
+    "title": "🗳️ [Icon][Windows] Semi-Finale Poll",
+    "url": "https://github.com/VSCodium/vscodium/discussions/1489"
   }
 ]