fix: catch ScriptTimeout exception into a variable

lib/WebDriver/Session.php

@@ -48,7 +48,6 @@
  * @method void postAlert_text($jsonText) Sends keystrokes to a JavaScript prompt() dialog.
  * @method void accept_alert() Accepts the currently displayed alert dialog.
  * @method void dismiss_alert() Dismisses the currently displayed alert dialog.
- * @method void moveto($jsonCoordinates) Move the mouse by an offset of the specified element (or current mouse cursor).
  * @method void click($jsonButton) Click any mouse button (at the coordinates set by the last moveto command).
  * @method void buttondown() Click and hold the left mouse button (at the coordinates set by the last moveto command).
  * @method void buttonup() Releases the mouse button previously held (where the mouse is currently at).
@@ -305,7 +304,7 @@ public function moveto($parameters)
     {
         try {
             $result = $this->curl('POST', '/moveto', $parameters);
-        } catch (WebDriverException\ScriptTimeout) {
+        } catch (WebDriverException\ScriptTimeout $e) {
             throw WebDriverException::factory(WebDriverException::UNKNOWN_ERROR);
         }