Fix typos in doc blocks

Change "wheter" to "whether" in doc blocks for redirectAction() and urlRedirectAction()

Author: MusikAnimal

Controller/RedirectController.php

@@ -50,7 +50,7 @@ public function __construct(UrlGeneratorInterface $router = null, int $httpPort
      * @param string     $route             The route name to redirect to
      * @param bool       $permanent         Whether the redirection is permanent
      * @param bool|array $ignoreAttributes  Whether to ignore attributes or an array of attributes to ignore
-     * @param bool       $keepRequestMethod Wheter redirect action should keep HTTP request method
+     * @param bool       $keepRequestMethod Whether redirect action should keep HTTP request method
      *
      * @throws HttpException In case the route name is empty
      */
@@ -94,7 +94,7 @@ public function redirectAction(Request $request, string $route, bool $permanent
      * @param string|null $scheme            The URL scheme (null to keep the current one)
      * @param int|null    $httpPort          The HTTP port (null to keep the current one for the same scheme or the default configured port)
      * @param int|null    $httpsPort         The HTTPS port (null to keep the current one for the same scheme or the default configured port)
-     * @param bool        $keepRequestMethod Wheter redirect action should keep HTTP request method
+     * @param bool        $keepRequestMethod Whether redirect action should keep HTTP request method
      *
      * @throws HttpException In case the path is empty
      */