ignore explain query (barryvdh#711) (barryvdh#852)

Author: ngyuki

src/Support/Clockwork/Converter.php

@@ -91,6 +91,9 @@ public function convert($data)
         if (isset($data['queries'])) {
             $queries = $data['queries'];
             foreach($queries['statements'] as $statement){
+                if ($statement['type'] === 'explain') {
+                    continue;
+                }
                 $output['databaseQueries'][] = [
                     'query' => $statement['sql'],
                     'bindings' => $statement['params'],