From v1.5.6, func GetIndexes() Cannot query primary key index

<img width="1057" alt="image" src="https://github.com/go-gorm/postgres/assets/30519864/768d19fb-7da2-4965-b7ec-ea1a443ad365">
![image](https://github.com/go-gorm/postgres/assets/30519864/1fb8dfe8-01db-43e0-b1bd-cb19c5216427)

After sql changes, primary key index cannot be queried. Is this normal?