fix(algolia): register subblock-id migration for listPage/listHitsPerPage

CI's subblock-id stability check correctly flagged that consolidating
list_indices pagination into the shared page/hitsPerPage fields would
silently drop values from already-deployed workflows. Add the rename
mapping so existing saved state migrates instead of being lost.

apps/sim/lib/workflows/migrations/subblock-migrations.ts

@@ -26,6 +26,10 @@ export const SUBBLOCK_ID_MIGRATIONS: Record<string, Record<string, string>> = {
   knowledge: {
     knowledgeBaseId: 'knowledgeBaseSelector',
   },
+  algolia: {
+    listPage: 'page',
+    listHitsPerPage: 'hitsPerPage',
+  },
   kalshi: {
     settlementStatus: '_removed_settlementStatus',
   },