release 2.0 beta (#3722)

* remove twitter link
* remove WIP file
* adjust release draft message
* reset code coverage threshold back to 0.5
* changed wordings
* re-activate wizard for fixture accounts
* fix repo url and license
* license identifier
* bump version
* moved Kimai 1 import command from core to plugin
* do not traverse into invoice template subdirectories (#3735)
* fix branch alias
* composer update
* switch language on wizard select
* new twig function to create qr code
* fix daily stats in timesheet listing
* improved html invoice templates

tests/Command/CreateUserCommandTest.php

@@ -99,7 +99,7 @@ class CreateUserCommandTest extends KernelTestCase
         $commandTester = $this->createUser('MyTestUser2', 'user@example.com', 'ROLE_USER', 'foobar');
 
         $output = $commandTester->getDisplay();
-        $this->assertStringContainsString('[ERROR] email: The email is already used.', $output);
+        $this->assertStringContainsString('[ERROR] email: This e-mail address is already in use.', $output);
     }
 
     public function testUserEmail(): void