feat(server): send invitation review notification (#10418)

packages/backend/server/migrations/20250307123308_add_more_notification_types/migration.sql

@@ -0,0 +1,11 @@
+-- AlterEnum
+-- This migration adds more than one value to an enum.
+-- With PostgreSQL versions 11 and earlier, this is not possible
+-- in a single migration. This can be worked around by creating
+-- multiple migrations, each migration adding only one value to
+-- the enum.
+
+
+ALTER TYPE "NotificationType" ADD VALUE 'InvitationReviewRequest';
+ALTER TYPE "NotificationType" ADD VALUE 'InvitationReviewApproved';
+ALTER TYPE "NotificationType" ADD VALUE 'InvitationReviewDeclined';