feat: update staff data

internal/accessor/staff/get_by_email.go

@@ -2,6 +2,7 @@ package staffrepository
 
 import (
 	"errors"
+	"fmt"
 
 	staffdomain "legalgo-BE-go/internal/domain/staff"
 
@@ -12,12 +13,12 @@ func (sr *accessor) GetStaffByEmail(email string) (*staffdomain.Staff, error) {
 	var staff staffdomain.Staff
 
 	if email == "" {
-		return nil, errors.New("email is required")
+		return nil, fmt.Errorf("email is required")
 	}
 
 	if err := sr.db.First(&staff, "email = ?", email).Error; err != nil {
 		if errors.Is(err, gorm.ErrRecordNotFound) {
-			return nil, errors.New("staff not found")
+			return nil, fmt.Errorf("staff not found")
 		}
 		return nil, err
 	}