MRBS 1.12.2 等保2.0二级整改完整提交

包含：登录失败锁定、90天密码有效期、30分钟会话超时、
强制改密、登录审计日志、屏幕水印、企业背景图、
备案信息固定底部、favicon、JS空集合保护、
会话过期体验优化（403 JSON）、display_errors 关闭、
固定 key 根治 Integrity check failed 等全部改动

注意：config.inc.php/.htaccess/.user.ini 含敏感信息，
通过 .gitignore 排除，勿推送到公开仓库。

lib/GuzzleHttp/MessageFormatterInterface.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace GuzzleHttp;
+
+use Psr\Http\Message\RequestInterface;
+use Psr\Http\Message\ResponseInterface;
+
+interface MessageFormatterInterface
+{
+    /**
+     * Returns a formatted message string.
+     *
+     * @param RequestInterface       $request  Request that was sent
+     * @param ResponseInterface|null $response Response that was received
+     * @param \Throwable|null        $error    Exception that was received
+     */
+    public function format(RequestInterface $request, ?ResponseInterface $response = null, ?\Throwable $error = null): string;
+}