Merge branch '6.4' into 7.2

* 6.4:
  [Notifier] Fix Clicksend transport
  validate translate src/Symfony/Component/Validator/Resources/translations/validators.ru.xlf:471
  fix: Add argument as integer

Author: nicolas-grekas

ClickSendTransport.php

@@ -87,7 +87,7 @@ protected function doSend(MessageInterface $message): SentMessage
 
         $response = $this->client->request('POST', $endpoint, [
             'auth_basic' => [$this->apiUsername, $this->apiKey],
-            'json' => array_filter($options),
+            'json' => ['messages' => [array_filter($options)]],
         ]);
 
         try {

Tests/ClickSendTransportTest.php

@@ -63,10 +63,14 @@ public function testNoInvalidArgumentExceptionIsThrownIfFromIsValid(string $from
         $response = $this->createMock(ResponseInterface::class);
         $response->expects(self::exactly(2))->method('getStatusCode')->willReturn(200);
         $response->expects(self::once())->method('getContent')->willReturn('');
-        $client = new MockHttpClient(function (string $method, string $url) use ($response): ResponseInterface {
+        $client = new MockHttpClient(function (string $method, string $url, array $options) use ($response): ResponseInterface {
             self::assertSame('POST', $method);
             self::assertSame('https://rest.clicksend.com/v3/sms/send', $url);
 
+            $body = json_decode($options['body'], true);
+            self::assertIsArray($body);
+            self::assertArrayHasKey('messages', $body);
+
             return $response;
         });
         $transport = $this->createTransport($client, $from);