Merge branch '5.3' into 5.4

* 5.3:
  [HttpClient] Don't pass float to usleep()

Author: derrabus

Response/CurlResponse.php

@@ -353,7 +353,7 @@ private static function select(ClientState $multi, float $timeout): int
         }
 
         if ($multi->pauseExpiries && 0 < $timeout -= microtime(true) - $now) {
-            usleep(1E6 * $timeout);
+            usleep((int) (1E6 * $timeout));
         }
 
         return 0;

Response/NativeResponse.php

@@ -366,7 +366,7 @@ private static function select(ClientState $multi, float $timeout): int
         }
 
         if (!$handles) {
-            usleep(1E6 * $timeout);
+            usleep((int) (1E6 * $timeout));
 
             return 0;
         }