Support update and delete returning using output

[FrancoLiberali]

• [x] Do only one thing
• [x] Non breaking API changes
• [ ] Tested

What did this pull request do?

Replace RETURNING by OUTPUT to support returning in update and delete statements

See after https://github.com/go-gorm/sqlserver/pull/115

User Case Description

See https://github.com/go-gorm/gorm/pull/6585