- go version bump

- go fix

email/gomail/send.go

@@ -98,10 +98,8 @@ func (m *Message) getRecipients() ([]string, error) {
 }
 
 func addAddress(list []string, addr string) []string {
-	for _, a := range list {
-		if addr == a {
-			return list
-		}
+	if slices.Contains(list, addr) {
+		return list
 	}
 
 	return append(list, addr)