Change variable name to something more descriptive

src/Writing/PostmanCollectionWriter.php

@@ -184,8 +184,8 @@ class PostmanCollectionWriter
         ];
 
         // Create raw url-parameter (Insomnia uses this on import)
-        $query = collect($base['query'] ?? [])->map(function ($array) {
-            return $array['key'].'='.$array['value'];
+        $query = collect($base['query'] ?? [])->map(function ($queryParamData) {
+            return $queryParamData['key'].'='.$queryParamData['value'];
         })->implode('&');
         $base['raw'] = sprintf('%s://%s/%s%s',
             $base['protocol'], $base['host'], $base['path'], $query ? '?'.$query : null