prepare release 1.14 (#2495)

* removed un-maintained docker file
* update all packages
* fix deprecations
* only show one line descriptions for customer, projects and activities
* allow to show export column in timesheet listing

tests/Controller/ControllerBaseTest.php

@@ -79,11 +79,7 @@ abstract class ControllerBaseTest extends WebTestCase
         return $client;
     }
 
-    /**
-     * @param string $url
-     * @return string
-     */
-    protected function createUrl($url)
+    protected function createUrl(string $url): string
     {
         return '/' . self::DEFAULT_LANGUAGE . '/' . ltrim($url, '/');
     }