Update to laravel 7

vendor/php-http/httplug/src/Exception.php

@@ -2,11 +2,13 @@
 
 namespace Http\Client;
 
+use Psr\Http\Client\ClientExceptionInterface as PsrClientException;
+
 /**
  * Every HTTP Client related Exception must implement this interface.
  *
  * @author Márk Sági-Kazár <mark.sagikazar@gmail.com>
  */
-interface Exception
+interface Exception extends PsrClientException
 {
 }