refactor: use 0.0 instead of 0

The timeout is float.

Author: kenjis

system/Session/Handlers/RedisHandler.php

@@ -98,7 +98,7 @@ protected function setSavePath(): void
                 'port'     => empty($matches[2]) ? self::REDIS_DEFAULT_PORT : $matches[2],
                 'password' => preg_match('#auth=([^\s&]+)#', $matches[3], $match) ? $match[1] : null,
                 'database' => preg_match('#database=(\d+)#', $matches[3], $match) ? (int) $match[1] : 0,
-                'timeout'  => preg_match('#timeout=(\d+\.\d+|\d+)#', $matches[3], $match) ? (float) $match[1] : 0,
+                'timeout'  => preg_match('#timeout=(\d+\.\d+|\d+)#', $matches[3], $match) ? (float) $match[1] : 0.0,
             ];
 
             preg_match('#prefix=([^\s&]+)#', $matches[3], $match) && $this->keyPrefix = $match[1];