Add back ID field to pronouns migration

looks unnecessary, but not doing this seems to cause failed tests. Other previous migrations follow this pattern as well.

models/forgejo_migrations/v1_22/v10.go

@@ -9,6 +9,7 @@ import (
 
 func AddPronounsToUser(x *xorm.Engine) error {
 	type User struct {
+		ID       int64 `xorm:"pk autoincr"`
 		Pronouns string
 	}