变更说明

1. 修复 CVE-2025-55184，可能存在的 DOS 攻击。
2. 修复创建 MCP 时，使用自定义请求头报错。

What's Changed

• deploy doc by @c121914yu in https://github.com/labring/FastGPT/pull/6100
• fix mcp header by @newfish-cmyk in https://github.com/labring/FastGPT/pull/6105
• support add pay form url env by @newfish-cmyk in https://github.com/labring/FastGPT/pull/6086
• perf log by @c121914yu in https://github.com/labring/FastGPT/pull/6107

Full Changelog: https://github.com/labring/FastGPT/compare/v4.14.4...v4.14.4-cve