[4.0] Added missing PipelinesConfig::variables() method to point to existing implementation (#68)

Co-authored-by: David <[email protected]>

Author: dvcom69

src/Api/Repositories/Workspaces/PipelinesConfig.php

@@ -13,6 +13,7 @@
 
 namespace Bitbucket\Api\Repositories\Workspaces;
 
+use Bitbucket\Api\Repositories\Workspaces\PipelinesConfig\Variables;
 use Bitbucket\HttpClient\Util\UriBuilder;
 
 /**
@@ -22,6 +23,14 @@
  */
 class PipelinesConfig extends AbstractWorkspacesApi
 {
+    /**
+     * @return \Bitbucket\Api\Repositories\Workspaces\PipelinesConfig\Variables
+     */
+    public function variables()
+    {
+        return new Variables($this->getClient(), $this->workspace, $this->repo);
+    }
+
     /**
      * @param array $params
      *