perf: Add index to EventType for parentId (#17049)

packages/prisma/migrations/20241010171846_add_eventtype_parent_id_index/migration.sql

@@ -0,0 +1,2 @@
+-- CreateIndex
+CREATE INDEX "EventType_parentId_idx" ON "EventType"("parentId");

packages/prisma/schema.prisma

@@ -160,6 +160,7 @@ model EventType {
   @@index([teamId])
   @@index([scheduleId])
   @@index([secondaryEmailId])
+  @@index([parentId])
 }
 
 model Credential {