fix: add composite index on SecondaryEmail for email verification queries (#27357)

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

packages/prisma/migrations/20260128170309_add_secondary_email_index/migration.sql

@@ -0,0 +1,2 @@
+-- CreateIndex
+CREATE INDEX IF NOT EXISTS "SecondaryEmail_email_emailVerified_idx" ON "public"."SecondaryEmail"("email", "emailVerified");

packages/prisma/schema.prisma

@@ -2172,6 +2172,7 @@ model SecondaryEmail {
   @@unique([email])
   @@unique([userId, email])
   @@index([userId])
+  @@index([email, emailVerified])
 }
 
 // Needed to store tasks that need to be processed by a background worker or Tasker