Migrate to Go 1.18 (#45)

* Migrate to Go 1.18 and add linters

service/service.go

@@ -2,6 +2,7 @@ package service
 
 import (
 	"context"
+	"log"
 
 	"github.com/arangodb/go-driver"
 
@@ -33,6 +34,10 @@ func (s *Service) publishRequest(ctx context.Context, err error, function string
 			userID = user.ID
 		}
 
-		go s.bus.PublishRequest(userID, function, ids)
+		go func() {
+			if err := s.bus.PublishRequest(userID, function, ids); err != nil {
+				log.Println(err)
+			}
+		}()
 	}
 }