Update schema.prisma

prisma/schema.prisma

@@ -7,7 +7,7 @@ generator client {
 }
 
 datasource db {
-  provider     = "mysql"
+  provider     = "postgresql"
   // NOTE: When using postgresql, mysql or sqlserver, uncomment the @db.Text annotations in model Account below
   // Further reading:
   // https://next-auth.js.org/adapters/prisma#create-the-prisma-schema