fix: add type

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

src/Sign/JSignService.php

@@ -59,7 +59,11 @@ public function sign(JSignParam $params)
      * unicode chars. As workaround, I changed the password certificate in
      * memory.
      */
-    private function repackCertificateIfPasswordIsUnicode(JSignParam $params, $cert, $pkey): void
+    private function repackCertificateIfPasswordIsUnicode(
+        JSignParam $params,
+        \OpenSSLCertificate|string $cert,
+        \OpenSSLAsymmetricKey|\OpenSSLCertificate|string $pkey,
+    ): void
     {
         if (!mb_detect_encoding($params->getPassword(), 'ASCII', true)) {
             $password = md5(microtime());