Fix spec of CSP "connect_src"

What does this MR do and why?

Related issue: https://jihulab.com/gitlab-cn/gitlab/-/issues/4330

Fix failed job: https://jihulab.com/gitlab-cn/gitlab/-/jobs/15466345 .

报错原因：我们向 CSP 配置中添加了神策埋点的路径，所以 Spec 也要更新才行。

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Screenshots or screen recordings

Screenshots are required for UI changes, and strongly recommended for all other merge requests.

Before	After

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.