Project information section doesn’t use .md class
The following discussion from !161091 should be addressed:
- [ ] @kkloss started a [discussion](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/161091#note_2027572546):
> **note (non-blocking):** I noticed that the **Project information** does not use the `.md` class, so it would look different now. I’ll make a follow-up issue!
>
> {width=312 height=93}
issue