laravel v5.6.14 发布，php 开发框架

Laravel v5.6.14 已发布，更新内容如下：
新增

• Added SlackMessage::info() method (#23711)
• Added SessionGuard::logoutOtherDevices() method (9c51e49)

更改

• Replaced Blade’s or operator with null-coalescing operator (13f732e)

修复

• Get Blade compiler from engine resolver (#23710)
• Default to an empty string when validating the URL signatures (#23721)